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clang-p2996/llvm/test/CodeGen/AMDGPU/wave32.ll
Alexander Timofeev 2e29b0138c [AMDGPU] Lowering VGPR to SGPR copies to v_readfirstlane_b32 if profitable. 
Since the divergence-driven instruction selection has been enabled for AMDGPU,
 all the uniform instructions are expected to be selected to SALU form, except those not having one.
 VGPR to SGPR copies appear in MIR to connect values producers and consumers. This change implements an algorithm
 that evolves a reasonable tradeoff between the profit achieved from keeping the uniform instructions in SALU form
 and overhead introduced by the data transfer between the VGPRs and SGPRs.

Reviewed By: rampitec

Differential Revision: https://reviews.llvm.org/D128252
2022-07-14 23:59:02 +02:00

1185 lines
46 KiB
LLVM
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; RUN: llc -march=amdgcn -mcpu=gfx1010 -mattr=+wavefrontsize32,-wavefrontsize64 -verify-machineinstrs -simplifycfg-require-and-preserve-domtree=1 < %s | FileCheck -check-prefixes=GCN,GFX1032 %s
; RUN: llc -march=amdgcn -mcpu=gfx1010 -mattr=-wavefrontsize32,+wavefrontsize64 -verify-machineinstrs -simplifycfg-require-and-preserve-domtree=1 < %s | FileCheck -check-prefixes=GCN,GFX1064 %s
; RUN: llc -march=amdgcn -mcpu=gfx1010 -mattr=+wavefrontsize32,-wavefrontsize64 -amdgpu-early-ifcvt=1 -verify-machineinstrs -simplifycfg-require-and-preserve-domtree=1 < %s | FileCheck -check-prefixes=GCN,GFX1032 %s
; RUN: llc -march=amdgcn -mcpu=gfx1010 -mattr=-wavefrontsize32,+wavefrontsize64 -amdgpu-early-ifcvt=1 -verify-machineinstrs -simplifycfg-require-and-preserve-domtree=1 < %s | FileCheck -check-prefixes=GCN,GFX1064 %s
; RUN: llc -march=amdgcn -mcpu=gfx1010 -verify-machineinstrs -simplifycfg-require-and-preserve-domtree=1 < %s | FileCheck -check-prefixes=GCN,GFX1032,GFX10DEFWAVE %s
; GCN-LABEL: {{^}}test_vopc_i32:
; GFX1032: v_cmp_lt_i32_e32 vcc_lo, 0, v{{[0-9]+}}
; GFX1032: v_cndmask_b32_e64 v{{[0-9]+}}, 2, 1, vcc_lo
; GFX1064: v_cmp_lt_i32_e32 vcc, 0, v{{[0-9]+}}
; GFX1064: v_cndmask_b32_e64 v{{[0-9]+}}, 2, 1, vcc{{$}}
define amdgpu_kernel void @test_vopc_i32(i32 addrspace(1)* %arg) {
%lid = tail call i32 @llvm.amdgcn.workitem.id.x()
%gep = getelementptr inbounds i32, i32 addrspace(1)* %arg, i32 %lid
%load = load i32, i32 addrspace(1)* %gep, align 4
%cmp = icmp sgt i32 %load, 0
%sel = select i1 %cmp, i32 1, i32 2
store i32 %sel, i32 addrspace(1)* %gep, align 4
ret void
}
; GCN-LABEL: {{^}}test_vopc_f32:
; GFX1032: v_cmp_nge_f32_e32 vcc_lo, 0, v{{[0-9]+}}
; GFX1032: v_cndmask_b32_e64 v{{[0-9]+}}, 2.0, 1.0, vcc_lo
; GFX1064: v_cmp_nge_f32_e32 vcc, 0, v{{[0-9]+}}
; GFX1064: v_cndmask_b32_e64 v{{[0-9]+}}, 2.0, 1.0, vcc{{$}}
define amdgpu_kernel void @test_vopc_f32(float addrspace(1)* %arg) {
%lid = tail call i32 @llvm.amdgcn.workitem.id.x()
%gep = getelementptr inbounds float, float addrspace(1)* %arg, i32 %lid
%load = load float, float addrspace(1)* %gep, align 4
%cmp = fcmp ugt float %load, 0.0
%sel = select i1 %cmp, float 1.0, float 2.0
store float %sel, float addrspace(1)* %gep, align 4
ret void
}
; GCN-LABEL: {{^}}test_vopc_vcmp:
; GFX1032: v_cmp_nle_f32_e32 vcc_lo, 0, v{{[0-9]+}}
; GFX1064: v_cmp_nle_f32_e32 vcc, 0, v{{[0-9]+}}
define amdgpu_ps void @test_vopc_vcmp(float %x) {
%cmp = fcmp oge float %x, 0.0
call void @llvm.amdgcn.kill(i1 %cmp)
ret void
}
; GCN-LABEL: {{^}}test_vopc_2xf16:
; GFX1032: v_cmp_le_f16_sdwa [[SC:vcc_lo|s[0-9]+]], {{[vs][0-9]+}}, v{{[0-9]+}} src0_sel:WORD_1 src1_sel:DWORD
; GFX1032: v_cndmask_b32_e32 v{{[0-9]+}}, 0x3c003c00, v{{[0-9]+}}, [[SC]]
; GFX1064: v_cmp_le_f16_sdwa [[SC:vcc|s\[[0-9:]+\]]], {{[vs][0-9]+}}, v{{[0-9]+}} src0_sel:WORD_1 src1_sel:DWORD
; GFX1064: v_cndmask_b32_e32 v{{[0-9]+}}, 0x3c003c00, v{{[0-9]+}}, [[SC]]
define amdgpu_kernel void @test_vopc_2xf16(<2 x half> addrspace(1)* %arg) {
%lid = tail call i32 @llvm.amdgcn.workitem.id.x()
%gep = getelementptr inbounds <2 x half>, <2 x half> addrspace(1)* %arg, i32 %lid
%load = load <2 x half>, <2 x half> addrspace(1)* %gep, align 4
%elt = extractelement <2 x half> %load, i32 1
%cmp = fcmp ugt half %elt, 0.0
%sel = select i1 %cmp, <2 x half> <half 1.0, half 1.0>, <2 x half> %load
store <2 x half> %sel, <2 x half> addrspace(1)* %gep, align 4
ret void
}
; GCN-LABEL: {{^}}test_vopc_class:
; GFX1032: v_cmp_class_f32_e64 [[C:vcc_lo|s[0-9:]+]], s{{[0-9]+}}, 0x204
; GFX1032: v_cndmask_b32_e64 v{{[0-9]+}}, 0, 1, [[C]]
; GFX1064: v_cmp_class_f32_e64 [[C:vcc|s\[[0-9:]+\]]], s{{[0-9]+}}, 0x204
; GFX1064: v_cndmask_b32_e64 v{{[0-9]+}}, 0, 1, [[C]]{{$}}
define amdgpu_kernel void @test_vopc_class(i32 addrspace(1)* %out, float %x) #0 {
%fabs = tail call float @llvm.fabs.f32(float %x)
%cmp = fcmp oeq float %fabs, 0x7FF0000000000000
%ext = zext i1 %cmp to i32
store i32 %ext, i32 addrspace(1)* %out, align 4
ret void
}
; GCN-LABEL: {{^}}test_vcmp_vcnd_f16:
; GFX1032: v_cmp_neq_f16_e64 [[C:vcc_lo|s\[[0-9:]+\]]], 0x7c00, s{{[0-9]+}}
; GFX1032: v_cndmask_b32_e32 v{{[0-9]+}}, 0x3c00, v{{[0-9]+}}, [[C]]
; GFX1064: v_cmp_neq_f16_e64 [[C:vcc|s\[[0-9:]+\]]], 0x7c00, s{{[0-9]+}}
; GFX1064: v_cndmask_b32_e32 v{{[0-9]+}}, 0x3c00, v{{[0-9]+}}, [[C]]{{$}}
define amdgpu_kernel void @test_vcmp_vcnd_f16(half addrspace(1)* %out, half %x) #0 {
%cmp = fcmp oeq half %x, 0x7FF0000000000000
%sel = select i1 %cmp, half 1.0, half %x
store half %sel, half addrspace(1)* %out, align 2
ret void
}
; GCN-LABEL: {{^}}test_vop3_cmp_f32_sop_and:
; GFX1032: v_cmp_nge_f32_e32 vcc_lo, 0, v{{[0-9]+}}
; GFX1032: v_cmp_nle_f32_e64 [[C2:s[0-9]+]], 1.0, v{{[0-9]+}}
; GFX1032: s_and_b32 [[AND:s[0-9]+]], vcc_lo, [[C2]]
; GFX1032: v_cndmask_b32_e64 v{{[0-9]+}}, 2.0, 1.0, [[AND]]
; GFX1064: v_cmp_nge_f32_e32 vcc, 0, v{{[0-9]+}}
; GFX1064: v_cmp_nle_f32_e64 [[C2:s\[[0-9:]+\]]], 1.0, v{{[0-9]+}}
; GFX1064: s_and_b64 [[AND:s\[[0-9:]+\]]], vcc, [[C2]]
; GFX1064: v_cndmask_b32_e64 v{{[0-9]+}}, 2.0, 1.0, [[AND]]
define amdgpu_kernel void @test_vop3_cmp_f32_sop_and(float addrspace(1)* %arg) {
%lid = tail call i32 @llvm.amdgcn.workitem.id.x()
%gep = getelementptr inbounds float, float addrspace(1)* %arg, i32 %lid
%load = load float, float addrspace(1)* %gep, align 4
%cmp = fcmp ugt float %load, 0.0
%cmp2 = fcmp ult float %load, 1.0
%and = and i1 %cmp, %cmp2
%sel = select i1 %and, float 1.0, float 2.0
store float %sel, float addrspace(1)* %gep, align 4
ret void
}
; GCN-LABEL: {{^}}test_vop3_cmp_i32_sop_xor:
; GFX1032: v_cmp_lt_i32_e32 vcc_lo, 0, v{{[0-9]+}}
; GFX1032: v_cmp_gt_i32_e64 [[C2:s[0-9]+]], 1, v{{[0-9]+}}
; GFX1032: s_xor_b32 [[AND:s[0-9]+]], vcc_lo, [[C2]]
; GFX1032: v_cndmask_b32_e64 v{{[0-9]+}}, 2, 1, [[AND]]
; GFX1064: v_cmp_lt_i32_e32 vcc, 0, v{{[0-9]+}}
; GFX1064: v_cmp_gt_i32_e64 [[C2:s\[[0-9:]+\]]], 1, v{{[0-9]+}}
; GFX1064: s_xor_b64 [[AND:s\[[0-9:]+\]]], vcc, [[C2]]
; GFX1064: v_cndmask_b32_e64 v{{[0-9]+}}, 2, 1, [[AND]]
define amdgpu_kernel void @test_vop3_cmp_i32_sop_xor(i32 addrspace(1)* %arg) {
%lid = tail call i32 @llvm.amdgcn.workitem.id.x()
%gep = getelementptr inbounds i32, i32 addrspace(1)* %arg, i32 %lid
%load = load i32, i32 addrspace(1)* %gep, align 4
%cmp = icmp sgt i32 %load, 0
%cmp2 = icmp slt i32 %load, 1
%xor = xor i1 %cmp, %cmp2
%sel = select i1 %xor, i32 1, i32 2
store i32 %sel, i32 addrspace(1)* %gep, align 4
ret void
}
; GCN-LABEL: {{^}}test_vop3_cmp_u32_sop_or:
; GFX1032: v_cmp_lt_u32_e32 vcc_lo, 3, v{{[0-9]+}}
; GFX1032: v_cmp_gt_u32_e64 [[C2:s[0-9]+]], 2, v{{[0-9]+}}
; GFX1032: s_or_b32 [[AND:s[0-9]+]], vcc_lo, [[C2]]
; GFX1032: v_cndmask_b32_e64 v{{[0-9]+}}, 2, 1, [[AND]]
; GFX1064: v_cmp_lt_u32_e32 vcc, 3, v{{[0-9]+}}
; GFX1064: v_cmp_gt_u32_e64 [[C2:s\[[0-9:]+\]]], 2, v{{[0-9]+}}
; GFX1064: s_or_b64 [[AND:s\[[0-9:]+\]]], vcc, [[C2]]
; GFX1064: v_cndmask_b32_e64 v{{[0-9]+}}, 2, 1, [[AND]]
define amdgpu_kernel void @test_vop3_cmp_u32_sop_or(i32 addrspace(1)* %arg) {
%lid = tail call i32 @llvm.amdgcn.workitem.id.x()
%gep = getelementptr inbounds i32, i32 addrspace(1)* %arg, i32 %lid
%load = load i32, i32 addrspace(1)* %gep, align 4
%cmp = icmp ugt i32 %load, 3
%cmp2 = icmp ult i32 %load, 2
%or = or i1 %cmp, %cmp2
%sel = select i1 %or, i32 1, i32 2
store i32 %sel, i32 addrspace(1)* %gep, align 4
ret void
}
; GCN-LABEL: {{^}}test_mask_if:
; GFX1032: s_and_saveexec_b32 s{{[0-9]+}}, vcc_lo
; GFX1064: s_and_saveexec_b64 s[{{[0-9:]+}}], vcc{{$}}
; GCN: s_cbranch_execz
define amdgpu_kernel void @test_mask_if(i32 addrspace(1)* %arg) #0 {
%lid = tail call i32 @llvm.amdgcn.workitem.id.x()
%cmp = icmp ugt i32 %lid, 10
br i1 %cmp, label %if, label %endif
if:
store i32 0, i32 addrspace(1)* %arg, align 4
br label %endif
endif:
ret void
}
; GCN-LABEL: {{^}}test_loop_with_if:
; GFX1032: s_or_b32 s{{[0-9]+}}, vcc_lo, s{{[0-9]+}}
; GFX1032: s_andn2_b32 exec_lo, exec_lo, s{{[0-9]+}}
; GFX1064: s_or_b64 s[{{[0-9:]+}}], vcc, s[{{[0-9:]+}}]
; GFX1064: s_andn2_b64 exec, exec, s[{{[0-9:]+}}]
; GCN: s_cbranch_execz
; GCN: .LBB{{.*}}:
; GFX1032: s_and_saveexec_b32 s{{[0-9]+}}, vcc_lo
; GFX1064: s_and_saveexec_b64 s[{{[0-9:]+}}], vcc{{$}}
; GCN: s_cbranch_execz
; GCN: ; %bb.{{[0-9]+}}:
; GCN: .LBB{{.*}}:
; GFX1032: s_xor_b32 s{{[0-9]+}}, exec_lo, s{{[0-9]+}}
; GFX1064: s_xor_b64 s[{{[0-9:]+}}], exec, s[{{[0-9:]+}}]
; GCN: ; %bb.{{[0-9]+}}:
; GCN: ; %bb.{{[0-9]+}}:
; GFX1032: s_or_b32 exec_lo, exec_lo, s{{[0-9]+}}
; GFX1032: s_and_saveexec_b32 s{{[0-9]+}}, s{{[0-9]+}}
; GFX1064: s_or_b64 exec, exec, s[{{[0-9:]+}}]
; GFX1064: s_and_saveexec_b64 s[{{[0-9:]+}}], s[{{[0-9:]+}}]{{$}}
; GCN: s_cbranch_execz .LBB
; GCN: ; %bb.{{[0-9]+}}:
; GCN: .LBB{{.*}}:
; GCN: s_endpgm
define amdgpu_kernel void @test_loop_with_if(i32 addrspace(1)* %arg) #0 {
bb:
%tmp = tail call i32 @llvm.amdgcn.workitem.id.x()
br label %bb2
bb1:
ret void
bb2:
%tmp3 = phi i32 [ 0, %bb ], [ %tmp15, %bb13 ]
%tmp4 = icmp slt i32 %tmp3, %tmp
br i1 %tmp4, label %bb5, label %bb11
bb5:
%tmp6 = sext i32 %tmp3 to i64
%tmp7 = getelementptr inbounds i32, i32 addrspace(1)* %arg, i64 %tmp6
%tmp8 = load i32, i32 addrspace(1)* %tmp7, align 4
%tmp9 = icmp sgt i32 %tmp8, 10
br i1 %tmp9, label %bb10, label %bb11
bb10:
store i32 %tmp, i32 addrspace(1)* %tmp7, align 4
br label %bb13
bb11:
%tmp12 = sdiv i32 %tmp3, 2
br label %bb13
bb13:
%tmp14 = phi i32 [ %tmp3, %bb10 ], [ %tmp12, %bb11 ]
%tmp15 = add nsw i32 %tmp14, 1
%tmp16 = icmp slt i32 %tmp14, 255
br i1 %tmp16, label %bb2, label %bb1
}
; GCN-LABEL: {{^}}test_loop_with_if_else_break:
; GFX1032: s_and_saveexec_b32 s{{[0-9]+}}, vcc_lo
; GFX1064: s_and_saveexec_b64 s[{{[0-9:]+}}], vcc{{$}}
; GCN: s_cbranch_execz
; GCN: ; %bb.{{[0-9]+}}: ; %.preheader
; GCN: .LBB{{.*}}:
; GCN: global_store_dword
; GFX1032: s_or_b32 [[MASK0:s[0-9]+]], [[MASK0]], vcc_lo
; GFX1064: s_or_b64 [[MASK0:s\[[0-9:]+\]]], [[MASK0]], vcc
; GFX1032: s_andn2_b32 [[MASK1:s[0-9]+]], [[MASK1]], exec_lo
; GFX1064: s_andn2_b64 [[MASK1:s\[[0-9:]+\]]], [[MASK1]], exec
; GFX1032: s_and_b32 [[MASK0]], [[MASK0]], exec_lo
; GFX1064: s_and_b64 [[MASK0]], [[MASK0]], exec
; GFX1032: s_or_b32 [[MASK1]], [[MASK1]], [[MASK0]]
; GFX1064: s_or_b64 [[MASK1]], [[MASK1]], [[MASK0]]
; GCN: .LBB{{.*}}: ; %Flow
; GFX1032: s_and_b32 [[TMP0:s[0-9]+]], exec_lo, [[MASK1]]
; GFX1064: s_and_b64 [[TMP0:s\[[0-9:]+\]]], exec, [[MASK1]]
; GFX1032: s_or_b32 [[ACC:s[0-9]+]], [[TMP0]], [[ACC]]
; GFX1064: s_or_b64 [[ACC:s\[[0-9:]+\]]], [[TMP0]], [[ACC]]
; GFX1032: s_andn2_b32 exec_lo, exec_lo, [[ACC]]
; GFX1064: s_andn2_b64 exec, exec, [[ACC]]
; GCN: s_cbranch_execz
; GCN: .LBB{{.*}}:
; GFX1032-DAG: s_or_b32 [[MASK1]], [[MASK1]], exec_lo
; GFX1064-DAG: s_or_b64 [[MASK1]], [[MASK1]], exec
; GCN-DAG: global_load_dword [[LOAD:v[0-9]+]]
; GFX1032: v_cmp_gt_i32_e32 vcc_lo, 11, [[LOAD]]
; GFX1064: v_cmp_gt_i32_e32 vcc, 11, [[LOAD]]
define amdgpu_kernel void @test_loop_with_if_else_break(i32 addrspace(1)* %arg) #0 {
bb:
%tmp = tail call i32 @llvm.amdgcn.workitem.id.x()
%tmp1 = icmp eq i32 %tmp, 0
br i1 %tmp1, label %.loopexit, label %.preheader
.preheader:
br label %bb2
bb2:
%tmp3 = phi i32 [ %tmp9, %bb8 ], [ 0, %.preheader ]
%tmp4 = zext i32 %tmp3 to i64
%tmp5 = getelementptr inbounds i32, i32 addrspace(1)* %arg, i64 %tmp4
%tmp6 = load i32, i32 addrspace(1)* %tmp5, align 4
%tmp7 = icmp sgt i32 %tmp6, 10
br i1 %tmp7, label %bb8, label %.loopexit
bb8:
store i32 %tmp, i32 addrspace(1)* %tmp5, align 4
%tmp9 = add nuw nsw i32 %tmp3, 1
%tmp10 = icmp ult i32 %tmp9, 256
%tmp11 = icmp ult i32 %tmp9, %tmp
%tmp12 = and i1 %tmp10, %tmp11
br i1 %tmp12, label %bb2, label %.loopexit
.loopexit:
ret void
}
; GCN-LABEL: {{^}}test_addc_vop2b:
; GFX1032: v_add_co_u32 v{{[0-9]+}}, vcc_lo, v{{[0-9]+}}, s{{[0-9]+}}
; GFX1032: v_add_co_ci_u32_e32 v{{[0-9]+}}, vcc_lo, s{{[0-9]+}}, v{{[0-9]+}}, vcc_lo
; GFX1064: v_add_co_u32 v{{[0-9]+}}, vcc, v{{[0-9]+}}, s{{[0-9]+}}
; GFX1064: v_add_co_ci_u32_e32 v{{[0-9]+}}, vcc, s{{[0-9]+}}, v{{[0-9]+}}, vcc{{$}}
define amdgpu_kernel void @test_addc_vop2b(i64 addrspace(1)* %arg, i64 %arg1) #0 {
bb:
%tmp = tail call i32 @llvm.amdgcn.workitem.id.x()
%tmp3 = getelementptr inbounds i64, i64 addrspace(1)* %arg, i32 %tmp
%tmp4 = load i64, i64 addrspace(1)* %tmp3, align 8
%tmp5 = add nsw i64 %tmp4, %arg1
store i64 %tmp5, i64 addrspace(1)* %tmp3, align 8
ret void
}
; GCN-LABEL: {{^}}test_subbrev_vop2b:
; GFX1032: v_sub_co_u32 v{{[0-9]+}}, [[A0:s[0-9]+|vcc_lo]], v{{[0-9]+}}, s{{[0-9]+}}{{$}}
; GFX1032: v_subrev_co_ci_u32_e32 v{{[0-9]+}}, vcc_lo, {{[vs][0-9]+}}, {{[vs][0-9]+}}, [[A0]]{{$}}
; GFX1064: v_sub_co_u32 v{{[0-9]+}}, [[A0:s\[[0-9:]+\]|vcc]], v{{[0-9]+}}, s{{[0-9]+}}{{$}}
; GFX1064: v_subrev_co_ci_u32_e32 v{{[0-9]+}}, vcc, {{[vs][0-9]+}}, {{[vs][0-9]+}}, [[A0]]{{$}}
define amdgpu_kernel void @test_subbrev_vop2b(i64 addrspace(1)* %arg, i64 %arg1) #0 {
bb:
%tmp = tail call i32 @llvm.amdgcn.workitem.id.x()
%tmp3 = getelementptr inbounds i64, i64 addrspace(1)* %arg, i32 %tmp
%tmp4 = load i64, i64 addrspace(1)* %tmp3, align 8
%tmp5 = sub nsw i64 %tmp4, %arg1
store i64 %tmp5, i64 addrspace(1)* %tmp3, align 8
ret void
}
; GCN-LABEL: {{^}}test_subb_vop2b:
; GFX1032: v_sub_co_u32 v{{[0-9]+}}, [[A0:s[0-9]+|vcc_lo]], s{{[0-9]+}}, v{{[0-9]+}}{{$}}
; GFX1032: v_sub_co_ci_u32_e32 v{{[0-9]+}}, vcc_lo, {{[vs][0-9]+}}, v{{[0-9]+}}, [[A0]]{{$}}
; GFX1064: v_sub_co_u32 v{{[0-9]+}}, [[A0:s\[[0-9:]+\]|vcc]], s{{[0-9]+}}, v{{[0-9]+}}{{$}}
; GFX1064: v_sub_co_ci_u32_e32 v{{[0-9]+}}, vcc, {{[vs][0-9]+}}, v{{[0-9]+}}, [[A0]]{{$}}
define amdgpu_kernel void @test_subb_vop2b(i64 addrspace(1)* %arg, i64 %arg1) #0 {
bb:
%tmp = tail call i32 @llvm.amdgcn.workitem.id.x()
%tmp3 = getelementptr inbounds i64, i64 addrspace(1)* %arg, i32 %tmp
%tmp4 = load i64, i64 addrspace(1)* %tmp3, align 8
%tmp5 = sub nsw i64 %arg1, %tmp4
store i64 %tmp5, i64 addrspace(1)* %tmp3, align 8
ret void
}
; GCN-LABEL: {{^}}test_udiv64:
; GCN: s_add_u32 s{{[0-9]+}}, s{{[0-9]+}}, s{{[0-9]+}}
; GCN: s_addc_u32 s{{[0-9]+}}, 0, s{{[0-9]+}}
; GCN: s_add_u32 s{{[0-9]+}}, s{{[0-9]+}}, s{{[0-9]+}}
; GCN: s_addc_u32 s{{[0-9]+}}, s{{[0-9]+}}, s{{[0-9]+}}
; GCN: s_addc_u32 s{{[0-9]+}}, s{{[0-9]+}}, 0
; GCN: s_add_u32 s{{[0-9]+}}, s{{[0-9]+}}, s{{[0-9]+}}
; GCN: s_add_u32 s{{[0-9]+}}, s{{[0-9]+}}, s{{[0-9]+}}
; GCN: s_addc_u32 s{{[0-9]+}}, 0, s{{[0-9]+}}
; GCN: s_addc_u32 s{{[0-9]+}}, s{{[0-9]+}}, s{{[0-9]+}}
define amdgpu_kernel void @test_udiv64(i64 addrspace(1)* %arg) #0 {
bb:
%tmp = getelementptr inbounds i64, i64 addrspace(1)* %arg, i64 1
%tmp1 = load i64, i64 addrspace(1)* %tmp, align 8
%tmp2 = load i64, i64 addrspace(1)* %arg, align 8
%tmp3 = udiv i64 %tmp1, %tmp2
%tmp4 = getelementptr inbounds i64, i64 addrspace(1)* %arg, i64 2
store i64 %tmp3, i64 addrspace(1)* %tmp4, align 8
ret void
}
; GCN-LABEL: {{^}}test_div_scale_f32:
; GFX1032: v_div_scale_f32 v{{[0-9]+}}, s{{[0-9]+}}, v{{[0-9]+}}, v{{[0-9]+}}, v{{[0-9]+}}
; GFX1064: v_div_scale_f32 v{{[0-9]+}}, s[{{[0-9:]+}}], v{{[0-9]+}}, v{{[0-9]+}}, v{{[0-9]+}}
define amdgpu_kernel void @test_div_scale_f32(float addrspace(1)* %out, float addrspace(1)* %in) #0 {
%tid = call i32 @llvm.amdgcn.workitem.id.x() nounwind readnone
%gep.0 = getelementptr float, float addrspace(1)* %in, i32 %tid
%gep.1 = getelementptr float, float addrspace(1)* %gep.0, i32 1
%a = load volatile float, float addrspace(1)* %gep.0, align 4
%b = load volatile float, float addrspace(1)* %gep.1, align 4
%result = call { float, i1 } @llvm.amdgcn.div.scale.f32(float %a, float %b, i1 false) nounwind readnone
%result0 = extractvalue { float, i1 } %result, 0
store float %result0, float addrspace(1)* %out, align 4
ret void
}
; GCN-LABEL: {{^}}test_div_scale_f64:
; GFX1032: v_div_scale_f64 v[{{[0-9:]+}}], s{{[0-9]+}}, v[{{[0-9:]+}}], v[{{[0-9:]+}}], v[{{[0-9:]+}}]
; GFX1064: v_div_scale_f64 v[{{[0-9:]+}}], s[{{[0-9:]+}}], v[{{[0-9:]+}}], v[{{[0-9:]+}}], v[{{[0-9:]+}}]
define amdgpu_kernel void @test_div_scale_f64(double addrspace(1)* %out, double addrspace(1)* %aptr, double addrspace(1)* %in) #0 {
%tid = call i32 @llvm.amdgcn.workitem.id.x() nounwind readnone
%gep.0 = getelementptr double, double addrspace(1)* %in, i32 %tid
%gep.1 = getelementptr double, double addrspace(1)* %gep.0, i32 1
%a = load volatile double, double addrspace(1)* %gep.0, align 8
%b = load volatile double, double addrspace(1)* %gep.1, align 8
%result = call { double, i1 } @llvm.amdgcn.div.scale.f64(double %a, double %b, i1 true) nounwind readnone
%result0 = extractvalue { double, i1 } %result, 0
store double %result0, double addrspace(1)* %out, align 8
ret void
}
; GCN-LABEL: {{^}}test_mad_i64_i32:
; GFX1032: v_mad_i64_i32 v[{{[0-9:]+}}], s{{[0-9]+}}, v{{[0-9]+}}, v{{[0-9]+}}, v[{{[0-9:]+}}]
; GFX1064: v_mad_i64_i32 v[{{[0-9:]+}}], s[{{[0-9:]+}}], v{{[0-9]+}}, v{{[0-9]+}}, v[{{[0-9:]+}}]
define i64 @test_mad_i64_i32(i32 %arg0, i32 %arg1, i64 %arg2) #0 {
%sext0 = sext i32 %arg0 to i64
%sext1 = sext i32 %arg1 to i64
%mul = mul i64 %sext0, %sext1
%mad = add i64 %mul, %arg2
ret i64 %mad
}
; GCN-LABEL: {{^}}test_mad_u64_u32:
; GFX1032: v_mad_u64_u32 v[{{[0-9:]+}}], s{{[0-9]+}}, v{{[0-9]+}}, v{{[0-9]+}}, v[{{[0-9:]+}}]
; GFX1064: v_mad_u64_u32 v[{{[0-9:]+}}], s[{{[0-9:]+}}], v{{[0-9]+}}, v{{[0-9]+}}, v[{{[0-9:]+}}]
define i64 @test_mad_u64_u32(i32 %arg0, i32 %arg1, i64 %arg2) #0 {
%sext0 = zext i32 %arg0 to i64
%sext1 = zext i32 %arg1 to i64
%mul = mul i64 %sext0, %sext1
%mad = add i64 %mul, %arg2
ret i64 %mad
}
; GCN-LABEL: {{^}}test_div_fmas_f32:
; GCN: s_bitcmp1_b32 s{{[0-9]+}}, 0
; GFX1032: s_cselect_b32 vcc_lo, -1, 0
; GFX1064: s_cselect_b64 vcc, -1, 0
; GCN: v_div_fmas_f32 v{{[0-9]+}}, {{[vs][0-9]+}}, v{{[0-9]+}}, v{{[0-9]+}}
define amdgpu_kernel void @test_div_fmas_f32(float addrspace(1)* %out, float %a, float %b, float %c, i1 %d) nounwind {
%result = call float @llvm.amdgcn.div.fmas.f32(float %a, float %b, float %c, i1 %d) nounwind readnone
store float %result, float addrspace(1)* %out, align 4
ret void
}
; GCN-LABEL: {{^}}test_div_fmas_f64:
; GCN: s_bitcmp1_b32 s{{[0-9]+}}, 0
; GFX1032: s_cselect_b32 vcc_lo, -1, 0
; GFX1064: s_cselect_b64 vcc, -1, 0
; GCN-DAG: v_div_fmas_f64 v[{{[0-9:]+}}], {{[vs]}}[{{[0-9:]+}}], v[{{[0-9:]+}}], v[{{[0-9:]+}}]
define amdgpu_kernel void @test_div_fmas_f64(double addrspace(1)* %out, double %a, double %b, double %c, i1 %d) nounwind {
%result = call double @llvm.amdgcn.div.fmas.f64(double %a, double %b, double %c, i1 %d) nounwind readnone
store double %result, double addrspace(1)* %out, align 8
ret void
}
; GCN-LABEL: {{^}}test_div_fmas_f32_i1_phi_vcc:
; GFX1032: s_mov_b32 [[VCC:vcc_lo]], 0{{$}}
; GFX1064: s_mov_b64 [[VCC:vcc]], 0{{$}}
; GFX1032: s_and_saveexec_b32 [[SAVE:s[0-9]+]], s{{[0-9]+}}{{$}}
; GFX1064: s_and_saveexec_b64 [[SAVE:s\[[0-9]+:[0-9]+\]]], s[{{[0-9:]+}}]{{$}}
; GCN: load_dword [[LOAD:v[0-9]+]]
; GCN: v_cmp_ne_u32_e32 [[VCC]], 0, [[LOAD]]
; GCN: .LBB{{[0-9_]+}}:
; GFX1032: s_or_b32 exec_lo, exec_lo, [[SAVE]]
; GFX1064: s_or_b64 exec, exec, [[SAVE]]
; GCN: v_div_fmas_f32 {{v[0-9]+}}, {{v[0-9]+}}, {{v[0-9]+}}, {{v[0-9]+}}
define amdgpu_kernel void @test_div_fmas_f32_i1_phi_vcc(float addrspace(1)* %out, float addrspace(1)* %in, i32 addrspace(1)* %dummy) #0 {
entry:
%tid = call i32 @llvm.amdgcn.workitem.id.x() nounwind readnone
%gep.out = getelementptr float, float addrspace(1)* %out, i32 2
%gep.a = getelementptr float, float addrspace(1)* %in, i32 %tid
%gep.b = getelementptr float, float addrspace(1)* %gep.a, i32 1
%gep.c = getelementptr float, float addrspace(1)* %gep.a, i32 2
%a = load float, float addrspace(1)* %gep.a
%b = load float, float addrspace(1)* %gep.b
%c = load float, float addrspace(1)* %gep.c
%cmp0 = icmp eq i32 %tid, 0
br i1 %cmp0, label %bb, label %exit
bb:
%val = load volatile i32, i32 addrspace(1)* %dummy
%cmp1 = icmp ne i32 %val, 0
br label %exit
exit:
%cond = phi i1 [false, %entry], [%cmp1, %bb]
%result = call float @llvm.amdgcn.div.fmas.f32(float %a, float %b, float %c, i1 %cond) nounwind readnone
store float %result, float addrspace(1)* %gep.out, align 4
ret void
}
; GCN-LABEL: {{^}}fdiv_f32:
; GFX1032: v_div_scale_f32 v{{[0-9]+}}, s{{[0-9]+}}, s{{[0-9]+}}, s{{[0-9]+}}, s{{[0-9]+}}
; GFX1064: v_div_scale_f32 v{{[0-9]+}}, s{{\[[0-9]+:[0-9]+\]}}, s{{[0-9]+}}, s{{[0-9]+}}, s{{[0-9]+}}
; GCN: v_rcp_f32_e32 v{{[0-9]+}}, v{{[0-9]+}}
; GFX1032: v_div_scale_f32 v{{[0-9]+}}, vcc_lo, s{{[0-9]+}}, s{{[0-9]+}}, s{{[0-9]+}}
; GFX1064: v_div_scale_f32 v{{[0-9]+}}, vcc, s{{[0-9]+}}, s{{[0-9]+}}, s{{[0-9]+}}
; GCN-NOT: vcc
; GCN: v_div_fmas_f32 v{{[0-9]+}}, v{{[0-9]+}}, v{{[0-9]+}}, v{{[0-9]+}}
define amdgpu_kernel void @fdiv_f32(float addrspace(1)* %out, float %a, float %b) #0 {
entry:
%fdiv = fdiv float %a, %b
store float %fdiv, float addrspace(1)* %out
ret void
}
; GCN-LABEL: {{^}}test_br_cc_f16:
; GFX1032: v_cmp_nlt_f16_e32 vcc_lo,
; GFX1064: v_cmp_nlt_f16_e32 vcc,
; GCN-NEXT: s_cbranch_vccnz
define amdgpu_kernel void @test_br_cc_f16(
half addrspace(1)* %r,
half addrspace(1)* %a,
half addrspace(1)* %b) {
entry:
%a.val = load half, half addrspace(1)* %a
%b.val = load half, half addrspace(1)* %b
%fcmp = fcmp olt half %a.val, %b.val
br i1 %fcmp, label %one, label %two
one:
store half %a.val, half addrspace(1)* %r
ret void
two:
store half %b.val, half addrspace(1)* %r
ret void
}
; GCN-LABEL: {{^}}test_brcc_i1:
; GCN: s_bitcmp0_b32 s{{[0-9]+}}, 0
; GCN-NEXT: s_cbranch_scc1
define amdgpu_kernel void @test_brcc_i1(i32 addrspace(1)* noalias %out, i32 addrspace(1)* noalias %in, i1 %val) #0 {
%cmp0 = icmp ne i1 %val, 0
br i1 %cmp0, label %store, label %end
store:
store i32 222, i32 addrspace(1)* %out
ret void
end:
ret void
}
; GCN-LABEL: {{^}}test_preserve_condition_undef_flag:
; GFX1032-DAG: v_cmp_nlt_f32_e64 s{{[0-9]+}}, s{{[0-9]+}}, 1.0
; GFX1032-DAG: v_cmp_ngt_f32_e64 s{{[0-9]+}}, s{{[0-9]+}}, 0
; GFX1032: v_cmp_nlt_f32_e64 s{{[0-9]+}}, s{{[0-9]+}}, 1.0
; GFX1032: s_or_b32 [[OR1:s[0-9]+]], s{{[0-9]+}}, s{{[0-9]+}}
; GFX1032: s_or_b32 [[OR2:s[0-9]+]], [[OR1]], s{{[0-9]+}}
; GFX1032: s_and_b32 vcc_lo, exec_lo, [[OR2]]
; GFX1064-DAG: v_cmp_nlt_f32_e64 s[{{[0-9:]+}}], s{{[0-9]+}}, 1.0
; GFX1064-DAG: v_cmp_ngt_f32_e64 s[{{[0-9:]+}}], s{{[0-9]+}}, 0
; GFX1064: v_cmp_nlt_f32_e64 s[{{[0-9:]+}}], s{{[0-9]+}}, 1.0
; GFX1064: s_or_b64 [[OR1:s\[[0-9:]+\]]], s[{{[0-9:]+}}], s[{{[0-9:]+}}]
; GFX1064: s_or_b64 [[OR2:s\[[0-9:]+\]]], [[OR1]], s[{{[0-9:]+}}]
; GFX1064: s_and_b64 vcc, exec, [[OR2]]
; GCN: s_cbranch_vccnz
define amdgpu_kernel void @test_preserve_condition_undef_flag(float %arg, i32 %arg1, float %arg2) #0 {
bb0:
%tmp = icmp sgt i32 %arg1, 4
%undef = call i1 @llvm.amdgcn.class.f32(float undef, i32 undef)
%tmp4 = select i1 %undef, float %arg, float 1.000000e+00
%tmp5 = fcmp ogt float %arg2, 0.000000e+00
%tmp6 = fcmp olt float %arg2, 1.000000e+00
%tmp7 = fcmp olt float %arg, %tmp4
%tmp8 = and i1 %tmp5, %tmp6
%tmp9 = and i1 %tmp8, %tmp7
br i1 %tmp9, label %bb1, label %bb2
bb1:
store volatile i32 0, i32 addrspace(1)* undef
br label %bb2
bb2:
ret void
}
; GCN-LABEL: {{^}}test_invert_true_phi_cond_break_loop:
; GFX1032: s_xor_b32 s{{[0-9]+}}, s{{[0-9]+}}, -1
; GFX1032: s_or_b32 s{{[0-9]+}}, s{{[0-9]+}}, s{{[0-9]+}}
; GFX1064: s_xor_b64 s[{{[0-9:]+}}], s[{{[0-9:]+}}], -1
; GFX1064: s_or_b64 s[{{[0-9:]+}}], s[{{[0-9:]+}}], s[{{[0-9:]+}}]
define amdgpu_kernel void @test_invert_true_phi_cond_break_loop(i32 %arg) #0 {
bb:
%id = call i32 @llvm.amdgcn.workitem.id.x()
%tmp = sub i32 %id, %arg
br label %bb1
bb1: ; preds = %Flow, %bb
%lsr.iv = phi i32 [ undef, %bb ], [ %tmp2, %Flow ]
%lsr.iv.next = add i32 %lsr.iv, 1
%cmp0 = icmp slt i32 %lsr.iv.next, 0
br i1 %cmp0, label %bb4, label %Flow
bb4: ; preds = %bb1
%load = load volatile i32, i32 addrspace(1)* undef, align 4
%cmp1 = icmp sge i32 %tmp, %load
br label %Flow
Flow: ; preds = %bb4, %bb1
%tmp2 = phi i32 [ %lsr.iv.next, %bb4 ], [ undef, %bb1 ]
%tmp3 = phi i1 [ %cmp1, %bb4 ], [ true, %bb1 ]
br i1 %tmp3, label %bb1, label %bb9
bb9: ; preds = %Flow
store volatile i32 7, i32 addrspace(3)* undef
ret void
}
; GCN-LABEL: {{^}}test_movrels_extract_neg_offset_vgpr:
; GFX1032: v_cmp_eq_u32_e32 vcc_lo, 1, v{{[0-9]+}}
; GFX1032: v_cndmask_b32_e64 v{{[0-9]+}}, 0, 1, vcc_lo
; GFX1032: v_cmp_ne_u32_e32 vcc_lo, 2, v{{[0-9]+}}
; GFX1032: v_cndmask_b32_e32 v{{[0-9]+}}, 2, v{{[0-9]+}}, vcc_lo
; GFX1032: v_cmp_ne_u32_e32 vcc_lo, 3, v{{[0-9]+}}
; GFX1032: v_cndmask_b32_e32 v{{[0-9]+}}, 3, v{{[0-9]+}}, vcc_lo
; GFX1064: v_cmp_eq_u32_e32 vcc, 1, v{{[0-9]+}}
; GFX1064: v_cndmask_b32_e64 v{{[0-9]+}}, 0, 1, vcc
; GFX1064: v_cmp_ne_u32_e32 vcc, 2, v{{[0-9]+}}
; GFX1064: v_cndmask_b32_e32 v{{[0-9]+}}, 2, v{{[0-9]+}}, vcc
; GFX1064: v_cmp_ne_u32_e32 vcc, 3, v{{[0-9]+}}
; GFX1064: v_cndmask_b32_e32 v{{[0-9]+}}, 3, v{{[0-9]+}}, vcc
define amdgpu_kernel void @test_movrels_extract_neg_offset_vgpr(i32 addrspace(1)* %out) #0 {
entry:
%id = call i32 @llvm.amdgcn.workitem.id.x() #1
%index = add i32 %id, -512
%value = extractelement <4 x i32> <i32 0, i32 1, i32 2, i32 3>, i32 %index
store i32 %value, i32 addrspace(1)* %out
ret void
}
; GCN-LABEL: {{^}}test_set_inactive:
; GFX1032: s_not_b32 exec_lo, exec_lo
; GFX1032: v_mov_b32_e32 {{v[0-9]+}}, 42
; GFX1032: s_not_b32 exec_lo, exec_lo
; GFX1064: s_not_b64 exec, exec{{$}}
; GFX1064: v_mov_b32_e32 {{v[0-9]+}}, 42
; GFX1064: s_not_b64 exec, exec{{$}}
define amdgpu_kernel void @test_set_inactive(i32 addrspace(1)* %out, i32 %in) #0 {
%tmp = call i32 @llvm.amdgcn.set.inactive.i32(i32 %in, i32 42)
store i32 %tmp, i32 addrspace(1)* %out
ret void
}
; GCN-LABEL: {{^}}test_set_inactive_64:
; GFX1032: s_not_b32 exec_lo, exec_lo
; GFX1032: v_mov_b32_e32 {{v[0-9]+}}, 0
; GFX1032: v_mov_b32_e32 {{v[0-9]+}}, 0
; GFX1032: s_not_b32 exec_lo, exec_lo
; GFX1064: s_not_b64 exec, exec{{$}}
; GFX1064: v_mov_b32_e32 {{v[0-9]+}}, 0
; GFX1064: v_mov_b32_e32 {{v[0-9]+}}, 0
; GFX1064: s_not_b64 exec, exec{{$}}
define amdgpu_kernel void @test_set_inactive_64(i64 addrspace(1)* %out, i64 %in) #0 {
%tmp = call i64 @llvm.amdgcn.set.inactive.i64(i64 %in, i64 0)
store i64 %tmp, i64 addrspace(1)* %out
ret void
}
; GCN-LABEL: {{^}}test_kill_i1_terminator_float:
; GFX1032: s_mov_b32 exec_lo, 0
; GFX1064: s_mov_b64 exec, 0
define amdgpu_ps void @test_kill_i1_terminator_float() #0 {
call void @llvm.amdgcn.kill(i1 false)
ret void
}
; GCN-LABEL: {{^}}test_kill_i1_terminator_i1:
; GFX1032: s_mov_b32 [[LIVE:s[0-9]+]], exec_lo
; GFX1032: s_or_b32 [[OR:s[0-9]+]],
; GFX1032: s_xor_b32 [[KILL:s[0-9]+]], [[OR]], exec_lo
; GFX1032: s_andn2_b32 [[MASK:s[0-9]+]], [[LIVE]], [[KILL]]
; GFX1032: s_and_b32 exec_lo, exec_lo, [[MASK]]
; GFX1064: s_mov_b64 [[LIVE:s\[[0-9:]+\]]], exec
; GFX1064: s_or_b64 [[OR:s\[[0-9:]+\]]],
; GFX1064: s_xor_b64 [[KILL:s\[[0-9:]+\]]], [[OR]], exec
; GFX1064: s_andn2_b64 [[MASK:s\[[0-9:]+\]]], [[LIVE]], [[KILL]]
; GFX1064: s_and_b64 exec, exec, [[MASK]]
define amdgpu_gs void @test_kill_i1_terminator_i1(i32 %a, i32 %b, i32 %c, i32 %d) #0 {
%c1 = icmp slt i32 %a, %b
%c2 = icmp slt i32 %c, %d
%x = or i1 %c1, %c2
call void @llvm.amdgcn.kill(i1 %x)
call void @llvm.amdgcn.exp.f32(i32 0, i32 0, float 0.0, float 0.0, float 0.0, float 0.0, i1 false, i1 false)
ret void
}
; GCN-LABEL: {{^}}test_loop_vcc:
; GFX1032: v_cmp_lt_f32_e32 vcc_lo,
; GFX1064: v_cmp_lt_f32_e32 vcc,
; GCN: s_cbranch_vccz
define amdgpu_ps <4 x float> @test_loop_vcc(<4 x float> %in) #0 {
entry:
br label %loop
loop:
%ctr.iv = phi float [ 0.0, %entry ], [ %ctr.next, %body ]
%c.iv = phi <4 x float> [ %in, %entry ], [ %c.next, %body ]
%cc = fcmp ogt float %ctr.iv, 7.0
br i1 %cc, label %break, label %body
body:
%c.iv0 = extractelement <4 x float> %c.iv, i32 0
%c.next = call <4 x float> @llvm.amdgcn.image.sample.1d.v4f32.f32(i32 15, float %c.iv0, <8 x i32> undef, <4 x i32> undef, i1 0, i32 0, i32 0)
%ctr.next = fadd float %ctr.iv, 2.0
br label %loop
break:
ret <4 x float> %c.iv
}
; NOTE: llvm.amdgcn.wwm is deprecated, use llvm.amdgcn.strict.wwm instead.
; GCN-LABEL: {{^}}test_wwm1:
; GFX1032: s_or_saveexec_b32 [[SAVE:s[0-9]+]], -1
; GFX1032: s_mov_b32 exec_lo, [[SAVE]]
; GFX1064: s_or_saveexec_b64 [[SAVE:s\[[0-9]+:[0-9]+\]]], -1
; GFX1064: s_mov_b64 exec, [[SAVE]]
define amdgpu_ps float @test_wwm1(i32 inreg %idx0, i32 inreg %idx1, float %src0, float %src1) {
main_body:
%out = fadd float %src0, %src1
%out.0 = call float @llvm.amdgcn.wwm.f32(float %out)
ret float %out.0
}
; GCN-LABEL: {{^}}test_wwm2:
; GFX1032: v_cmp_gt_u32_e32 vcc_lo, 16, v{{[0-9]+}}
; GFX1032: s_and_saveexec_b32 [[SAVE1:s[0-9]+]], vcc_lo
; GFX1032: s_or_saveexec_b32 [[SAVE2:s[0-9]+]], -1
; GFX1032: s_mov_b32 exec_lo, [[SAVE2]]
; GFX1032: s_or_b32 exec_lo, exec_lo, [[SAVE1]]
; GFX1064: v_cmp_gt_u32_e32 vcc, 16, v{{[0-9]+}}
; GFX1064: s_and_saveexec_b64 [[SAVE1:s\[[0-9:]+\]]], vcc{{$}}
; GFX1064: s_or_saveexec_b64 [[SAVE2:s\[[0-9:]+\]]], -1
; GFX1064: s_mov_b64 exec, [[SAVE2]]
; GFX1064: s_or_b64 exec, exec, [[SAVE1]]
define amdgpu_ps float @test_wwm2(i32 inreg %idx) {
main_body:
; use mbcnt to make sure the branch is divergent
%lo = call i32 @llvm.amdgcn.mbcnt.lo(i32 -1, i32 0)
%hi = call i32 @llvm.amdgcn.mbcnt.hi(i32 -1, i32 %lo)
%cc = icmp uge i32 %hi, 16
br i1 %cc, label %endif, label %if
if:
%src = call float @llvm.amdgcn.struct.buffer.load.f32(<4 x i32> undef, i32 %idx, i32 0, i32 0, i32 0)
%out = fadd float %src, %src
%out.0 = call float @llvm.amdgcn.wwm.f32(float %out)
%out.1 = fadd float %src, %out.0
br label %endif
endif:
%out.2 = phi float [ %out.1, %if ], [ 0.0, %main_body ]
ret float %out.2
}
; GCN-LABEL: {{^}}test_strict_wwm1:
; GFX1032: s_or_saveexec_b32 [[SAVE:s[0-9]+]], -1
; GFX1032: s_mov_b32 exec_lo, [[SAVE]]
; GFX1064: s_or_saveexec_b64 [[SAVE:s\[[0-9]+:[0-9]+\]]], -1
; GFX1064: s_mov_b64 exec, [[SAVE]]
define amdgpu_ps float @test_strict_wwm1(i32 inreg %idx0, i32 inreg %idx1, float %src0, float %src1) {
main_body:
%out = fadd float %src0, %src1
%out.0 = call float @llvm.amdgcn.strict.wwm.f32(float %out)
ret float %out.0
}
; GCN-LABEL: {{^}}test_strict_wwm2:
; GFX1032: v_cmp_gt_u32_e32 vcc_lo, 16, v{{[0-9]+}}
; GFX1032: s_and_saveexec_b32 [[SAVE1:s[0-9]+]], vcc_lo
; GFX1032: s_or_saveexec_b32 [[SAVE2:s[0-9]+]], -1
; GFX1032: s_mov_b32 exec_lo, [[SAVE2]]
; GFX1032: s_or_b32 exec_lo, exec_lo, [[SAVE1]]
; GFX1064: v_cmp_gt_u32_e32 vcc, 16, v{{[0-9]+}}
; GFX1064: s_and_saveexec_b64 [[SAVE1:s\[[0-9:]+\]]], vcc{{$}}
; GFX1064: s_or_saveexec_b64 [[SAVE2:s\[[0-9:]+\]]], -1
; GFX1064: s_mov_b64 exec, [[SAVE2]]
; GFX1064: s_or_b64 exec, exec, [[SAVE1]]
define amdgpu_ps float @test_strict_wwm2(i32 inreg %idx) {
main_body:
; use mbcnt to make sure the branch is divergent
%lo = call i32 @llvm.amdgcn.mbcnt.lo(i32 -1, i32 0)
%hi = call i32 @llvm.amdgcn.mbcnt.hi(i32 -1, i32 %lo)
%cc = icmp uge i32 %hi, 16
br i1 %cc, label %endif, label %if
if:
%src = call float @llvm.amdgcn.struct.buffer.load.f32(<4 x i32> undef, i32 %idx, i32 0, i32 0, i32 0)
%out = fadd float %src, %src
%out.0 = call float @llvm.amdgcn.strict.wwm.f32(float %out)
%out.1 = fadd float %src, %out.0
br label %endif
endif:
%out.2 = phi float [ %out.1, %if ], [ 0.0, %main_body ]
ret float %out.2
}
; GCN-LABEL: {{^}}test_wqm1:
; GFX1032: s_mov_b32 [[ORIG:s[0-9]+]], exec_lo
; GFX1032: s_wqm_b32 exec_lo, exec_lo
; GFX1032: s_and_b32 exec_lo, exec_lo, [[ORIG]]
; GFX1064: s_mov_b64 [[ORIG:s\[[0-9]+:[0-9]+\]]], exec{{$}}
; GFX1064: s_wqm_b64 exec, exec{{$}}
; GFX1064: s_and_b64 exec, exec, [[ORIG]]
define amdgpu_ps <4 x float> @test_wqm1(i32 inreg, i32 inreg, i32 inreg, i32 inreg %m0, <8 x i32> inreg %rsrc, <4 x i32> inreg %sampler, <2 x float> %pos) #0 {
main_body:
%inst23 = extractelement <2 x float> %pos, i32 0
%inst24 = extractelement <2 x float> %pos, i32 1
%inst25 = tail call float @llvm.amdgcn.interp.p1(float %inst23, i32 0, i32 0, i32 %m0)
%inst26 = tail call float @llvm.amdgcn.interp.p2(float %inst25, float %inst24, i32 0, i32 0, i32 %m0)
%inst28 = tail call float @llvm.amdgcn.interp.p1(float %inst23, i32 1, i32 0, i32 %m0)
%inst29 = tail call float @llvm.amdgcn.interp.p2(float %inst28, float %inst24, i32 1, i32 0, i32 %m0)
%tex = call <4 x float> @llvm.amdgcn.image.sample.2d.v4f32.f32(i32 15, float %inst26, float %inst29, <8 x i32> %rsrc, <4 x i32> %sampler, i1 0, i32 0, i32 0)
ret <4 x float> %tex
}
; GCN-LABEL: {{^}}test_wqm2:
; GFX1032: s_wqm_b32 exec_lo, exec_lo
; GFX1032: s_and_b32 exec_lo, exec_lo, s{{[0-9]+}}
; GFX1064: s_wqm_b64 exec, exec{{$}}
; GFX1064: s_and_b64 exec, exec, s[{{[0-9:]+}}]
define amdgpu_ps float @test_wqm2(i32 inreg %idx0, i32 inreg %idx1) #0 {
main_body:
%src0 = call float @llvm.amdgcn.struct.buffer.load.f32(<4 x i32> undef, i32 %idx0, i32 0, i32 0, i32 0)
%src1 = call float @llvm.amdgcn.struct.buffer.load.f32(<4 x i32> undef, i32 %idx1, i32 0, i32 0, i32 0)
%out = fadd float %src0, %src1
%out.0 = bitcast float %out to i32
%out.1 = call i32 @llvm.amdgcn.wqm.i32(i32 %out.0)
%out.2 = bitcast i32 %out.1 to float
ret float %out.2
}
; GCN-LABEL: {{^}}test_intr_fcmp_i64:
; GFX1032-DAG: v_mov_b32_e32 v[[V_HI:[0-9]+]], 0{{$}}
; GFX1032-DAG: v_cmp_eq_f32_e64 s[[C_LO:[0-9]+]], {{s[0-9]+}}, |{{[vs][0-9]+}}|
; GFX1032-DAG: v_mov_b32_e32 v[[V_LO:[0-9]+]], s[[C_LO]]
; GFX1064: v_cmp_eq_f32_e64 s[[[C_LO:[0-9]+]]:[[C_HI:[0-9]+]]], {{s[0-9]+}}, |{{[vs][0-9]+}}|
; GFX1064-DAG: v_mov_b32_e32 v[[V_LO:[0-9]+]], s[[C_LO]]
; GFX1064-DAG: v_mov_b32_e32 v[[V_HI:[0-9]+]], s[[C_HI]]
; GCN: store_dwordx2 v{{[0-9]+}}, v[[[V_LO]]:[[V_HI]]], s
define amdgpu_kernel void @test_intr_fcmp_i64(i64 addrspace(1)* %out, float %src, float %a) {
%temp = call float @llvm.fabs.f32(float %a)
%result = call i64 @llvm.amdgcn.fcmp.i64.f32(float %src, float %temp, i32 1)
store i64 %result, i64 addrspace(1)* %out
ret void
}
; GCN-LABEL: {{^}}test_intr_icmp_i64:
; GFX1032-DAG: v_mov_b32_e32 v[[V_HI:[0-9]+]], 0{{$}}
; GFX1032-DAG: v_cmp_eq_u32_e64 [[C_LO:vcc_lo|s[0-9]+]], 0x64, {{s[0-9]+}}
; GFX1032-DAG: v_mov_b32_e32 v[[V_LO:[0-9]+]], [[C_LO]]
; GFX1064: v_cmp_eq_u32_e64 s[[[C_LO:[0-9]+]]:[[C_HI:[0-9]+]]], 0x64, {{s[0-9]+}}
; GFX1064-DAG: v_mov_b32_e32 v[[V_LO:[0-9]+]], s[[C_LO]]
; GFX1064-DAG: v_mov_b32_e32 v[[V_HI:[0-9]+]], s[[C_HI]]
; GCN: store_dwordx2 v{{[0-9]+}}, v[[[V_LO]]:[[V_HI]]], s
define amdgpu_kernel void @test_intr_icmp_i64(i64 addrspace(1)* %out, i32 %src) {
%result = call i64 @llvm.amdgcn.icmp.i64.i32(i32 %src, i32 100, i32 32)
store i64 %result, i64 addrspace(1)* %out
ret void
}
; GCN-LABEL: {{^}}test_intr_fcmp_i32:
; GFX1032-DAG: v_cmp_eq_f32_e64 s[[C_LO:[0-9]+]], {{s[0-9]+}}, |{{[vs][0-9]+}}|
; GFX1032-DAG: v_mov_b32_e32 v[[V_LO:[0-9]+]], s[[C_LO]]
; GFX1064: v_cmp_eq_f32_e64 s[[[C_LO:[0-9]+]]:[[C_HI:[0-9]+]]], {{s[0-9]+}}, |{{[vs][0-9]+}}|
; GFX1064-DAG: v_mov_b32_e32 v[[V_LO:[0-9]+]], s[[C_LO]]
; GCN: store_dword v{{[0-9]+}}, v[[V_LO]], s
define amdgpu_kernel void @test_intr_fcmp_i32(i32 addrspace(1)* %out, float %src, float %a) {
%temp = call float @llvm.fabs.f32(float %a)
%result = call i32 @llvm.amdgcn.fcmp.i32.f32(float %src, float %temp, i32 1)
store i32 %result, i32 addrspace(1)* %out
ret void
}
; GCN-LABEL: {{^}}test_intr_icmp_i32:
; GFX1032-DAG: v_cmp_eq_u32_e64 s[[C_LO:[0-9]+]], 0x64, {{s[0-9]+}}
; GFX1032-DAG: v_mov_b32_e32 v[[V_LO:[0-9]+]], s[[C_LO]]{{$}}
; GFX1064: v_cmp_eq_u32_e64 s[[[C_LO:[0-9]+]]:{{[0-9]+}}], 0x64, {{s[0-9]+}}
; GFX1064-DAG: v_mov_b32_e32 v[[V_LO:[0-9]+]], s[[C_LO]]{{$}}
; GCN: store_dword v{{[0-9]+}}, v[[V_LO]], s
define amdgpu_kernel void @test_intr_icmp_i32(i32 addrspace(1)* %out, i32 %src) {
%result = call i32 @llvm.amdgcn.icmp.i32.i32(i32 %src, i32 100, i32 32)
store i32 %result, i32 addrspace(1)* %out
ret void
}
; GCN-LABEL: {{^}}test_wqm_vote:
; GFX1032: v_cmp_neq_f32_e32 vcc_lo, 0
; GFX1032: s_mov_b32 [[LIVE:s[0-9]+]], exec_lo
; GFX1032: s_wqm_b32 [[WQM:s[0-9]+]], vcc_lo
; GFX1032: s_xor_b32 [[KILL:s[0-9]+]], [[WQM]], exec_lo
; GFX1032: s_andn2_b32 [[MASK:s[0-9]+]], [[LIVE]], [[KILL]]
; GFX1032: s_and_b32 exec_lo, exec_lo, [[MASK]]
; GFX1064: v_cmp_neq_f32_e32 vcc, 0
; GFX1064: s_mov_b64 [[LIVE:s\[[0-9:]+\]]], exec
; GFX1064: s_wqm_b64 [[WQM:s\[[0-9:]+\]]], vcc
; GFX1064: s_xor_b64 [[KILL:s\[[0-9:]+\]]], [[WQM]], exec
; GFX1064: s_andn2_b64 [[MASK:s\[[0-9:]+\]]], [[LIVE]], [[KILL]]
; GFX1064: s_and_b64 exec, exec, [[MASK]]
define amdgpu_ps void @test_wqm_vote(float %a) {
%c1 = fcmp une float %a, 0.0
%c2 = call i1 @llvm.amdgcn.wqm.vote(i1 %c1)
call void @llvm.amdgcn.kill(i1 %c2)
call void @llvm.amdgcn.exp.f32(i32 0, i32 0, float 0.0, float 0.0, float 0.0, float 0.0, i1 false, i1 false)
ret void
}
; GCN-LABEL: {{^}}test_branch_true:
; GFX1032: s_mov_b32 vcc_lo, exec_lo
; GFX1064: s_mov_b64 vcc, exec
define amdgpu_kernel void @test_branch_true() #2 {
entry:
br i1 true, label %for.end, label %for.body.lr.ph
for.body.lr.ph: ; preds = %entry
br label %for.body
for.body: ; preds = %for.body, %for.body.lr.ph
br i1 undef, label %for.end, label %for.body
for.end: ; preds = %for.body, %entry
ret void
}
; GCN-LABEL: {{^}}test_ps_live:
; GFX1032: s_mov_b32 [[C:s[0-9]+]], exec_lo
; GFX1064: s_mov_b64 [[C:s\[[0-9:]+\]]], exec{{$}}
; GCN: v_cndmask_b32_e64 v{{[0-9]+}}, 0, 1, [[C]]
define amdgpu_ps float @test_ps_live() #0 {
%live = call i1 @llvm.amdgcn.ps.live()
%live.32 = zext i1 %live to i32
%r = bitcast i32 %live.32 to float
ret float %r
}
; GCN-LABEL: {{^}}test_vccnz_ifcvt_triangle64:
; GFX1032: v_cmp_neq_f64_e64 [[C:s[0-9]+]], s[{{[0-9:]+}}], 1.0
; GFX1032: s_and_b32 vcc_lo, exec_lo, [[C]]
; GFX1064: v_cmp_neq_f64_e64 [[C:s\[[0-9:]+\]]], s[{{[0-9:]+}}], 1.0
; GFX1064: s_and_b64 vcc, exec, [[C]]
define amdgpu_kernel void @test_vccnz_ifcvt_triangle64(double addrspace(1)* %out, double addrspace(1)* %in) #0 {
entry:
%v = load double, double addrspace(1)* %in
%cc = fcmp oeq double %v, 1.000000e+00
br i1 %cc, label %if, label %endif
if:
%u = fadd double %v, %v
br label %endif
endif:
%r = phi double [ %v, %entry ], [ %u, %if ]
store double %r, double addrspace(1)* %out
ret void
}
; GCN-LABEL: {{^}}test_vgprblocks_w32_attr:
; Test that the wave size can be overridden in function attributes and that the block size is correct as a result
; GFX10DEFWAVE: ; VGPRBlocks: 1
define amdgpu_gs float @test_vgprblocks_w32_attr(float %a, float %b, float %c, float %d, float %e,
float %f, float %g, float %h, float %i, float %j, float %k, float %l) #3 {
main_body:
%s = fadd float %a, %b
%s.1 = fadd float %s, %c
%s.2 = fadd float %s.1, %d
%s.3 = fadd float %s.2, %e
%s.4 = fadd float %s.3, %f
%s.5 = fadd float %s.4, %g
%s.6 = fadd float %s.5, %h
%s.7 = fadd float %s.6, %i
%s.8 = fadd float %s.7, %j
%s.9 = fadd float %s.8, %k
%s.10 = fadd float %s.9, %l
ret float %s.10
}
; GCN-LABEL: {{^}}test_vgprblocks_w64_attr:
; Test that the wave size can be overridden in function attributes and that the block size is correct as a result
; GFX10DEFWAVE: ; VGPRBlocks: 2
define amdgpu_gs float @test_vgprblocks_w64_attr(float %a, float %b, float %c, float %d, float %e,
float %f, float %g, float %h, float %i, float %j, float %k, float %l) #4 {
main_body:
%s = fadd float %a, %b
%s.1 = fadd float %s, %c
%s.2 = fadd float %s.1, %d
%s.3 = fadd float %s.2, %e
%s.4 = fadd float %s.3, %f
%s.5 = fadd float %s.4, %g
%s.6 = fadd float %s.5, %h
%s.7 = fadd float %s.6, %i
%s.8 = fadd float %s.7, %j
%s.9 = fadd float %s.8, %k
%s.10 = fadd float %s.9, %l
ret float %s.10
}
; GCN-LABEL: {{^}}icmp64:
; GFX1032: v_cmp_eq_u32_e32 vcc_lo, 0, v
; GFX1064: v_cmp_eq_u32_e32 vcc, 0, v
define amdgpu_kernel void @icmp64(i32 %n, i32 %s) {
entry:
%id = tail call i32 @llvm.amdgcn.workitem.id.x()
%mul4 = mul nsw i32 %s, %n
%cmp = icmp slt i32 0, %mul4
br label %if.end
if.end: ; preds = %entry
%rem = urem i32 %id, %s
%icmp = tail call i64 @llvm.amdgcn.icmp.i64.i32(i32 %rem, i32 0, i32 32)
%shr = lshr i64 %icmp, 1
%notmask = shl nsw i64 -1, 0
%and = and i64 %notmask, %shr
%or = or i64 %and, -9223372036854775808
%cttz = tail call i64 @llvm.cttz.i64(i64 %or, i1 true)
%cast = trunc i64 %cttz to i32
%cmp3 = icmp ugt i32 10, %cast
%cmp6 = icmp ne i32 %rem, 0
%brmerge = or i1 %cmp6, %cmp3
br i1 %brmerge, label %if.end2, label %if.then
if.then: ; preds = %if.end
unreachable
if.end2: ; preds = %if.end
ret void
}
; GCN-LABEL: {{^}}fcmp64:
; GFX1032: v_cmp_eq_f32_e32 vcc_lo, 0, v
; GFX1064: v_cmp_eq_f32_e32 vcc, 0, v
define amdgpu_kernel void @fcmp64(float %n, float %s) {
entry:
%id = tail call i32 @llvm.amdgcn.workitem.id.x()
%id.f = uitofp i32 %id to float
%mul4 = fmul float %s, %n
%cmp = fcmp ult float 0.0, %mul4
br label %if.end
if.end: ; preds = %entry
%rem.f = frem float %id.f, %s
%fcmp = tail call i64 @llvm.amdgcn.fcmp.i64.f32(float %rem.f, float 0.0, i32 1)
%shr = lshr i64 %fcmp, 1
%notmask = shl nsw i64 -1, 0
%and = and i64 %notmask, %shr
%or = or i64 %and, -9223372036854775808
%cttz = tail call i64 @llvm.cttz.i64(i64 %or, i1 true)
%cast = trunc i64 %cttz to i32
%cmp3 = icmp ugt i32 10, %cast
%cmp6 = fcmp one float %rem.f, 0.0
%brmerge = or i1 %cmp6, %cmp3
br i1 %brmerge, label %if.end2, label %if.then
if.then: ; preds = %if.end
unreachable
if.end2: ; preds = %if.end
ret void
}
; GCN-LABEL: {{^}}icmp32:
; GFX1032: v_cmp_eq_u32_e32 vcc_lo, 0, v
; GFX1064: v_cmp_eq_u32_e32 vcc, 0, v
define amdgpu_kernel void @icmp32(i32 %n, i32 %s) {
entry:
%id = tail call i32 @llvm.amdgcn.workitem.id.x()
%mul4 = mul nsw i32 %s, %n
%cmp = icmp slt i32 0, %mul4
br label %if.end
if.end: ; preds = %entry
%rem = urem i32 %id, %s
%icmp = tail call i32 @llvm.amdgcn.icmp.i32.i32(i32 %rem, i32 0, i32 32)
%shr = lshr i32 %icmp, 1
%notmask = shl nsw i32 -1, 0
%and = and i32 %notmask, %shr
%or = or i32 %and, 2147483648
%cttz = tail call i32 @llvm.cttz.i32(i32 %or, i1 true)
%cmp3 = icmp ugt i32 10, %cttz
%cmp6 = icmp ne i32 %rem, 0
%brmerge = or i1 %cmp6, %cmp3
br i1 %brmerge, label %if.end2, label %if.then
if.then: ; preds = %if.end
unreachable
if.end2: ; preds = %if.end
ret void
}
; GCN-LABEL: {{^}}fcmp32:
; GFX1032: v_cmp_eq_f32_e32 vcc_lo, 0, v
; GFX1064: v_cmp_eq_f32_e32 vcc, 0, v
define amdgpu_kernel void @fcmp32(float %n, float %s) {
entry:
%id = tail call i32 @llvm.amdgcn.workitem.id.x()
%id.f = uitofp i32 %id to float
%mul4 = fmul float %s, %n
%cmp = fcmp ult float 0.0, %mul4
br label %if.end
if.end: ; preds = %entry
%rem.f = frem float %id.f, %s
%fcmp = tail call i32 @llvm.amdgcn.fcmp.i32.f32(float %rem.f, float 0.0, i32 1)
%shr = lshr i32 %fcmp, 1
%notmask = shl nsw i32 -1, 0
%and = and i32 %notmask, %shr
%or = or i32 %and, 2147483648
%cttz = tail call i32 @llvm.cttz.i32(i32 %or, i1 true)
%cmp3 = icmp ugt i32 10, %cttz
%cmp6 = fcmp one float %rem.f, 0.0
%brmerge = or i1 %cmp6, %cmp3
br i1 %brmerge, label %if.end2, label %if.then
if.then: ; preds = %if.end
unreachable
if.end2: ; preds = %if.end
ret void
}
declare void @external_void_func_void() #1
; Test save/restore of VGPR needed for SGPR spilling.
; GCN-LABEL: {{^}}callee_no_stack_with_call:
; GCN: s_waitcnt
; GCN-NEXT: s_waitcnt_vscnt
; GFX1064-NEXT: s_or_saveexec_b64 [[COPY_EXEC0:s\[[0-9]+:[0-9]+\]]], -1{{$}}
; GFX1032-NEXT: s_or_saveexec_b32 [[COPY_EXEC0:s[0-9]+]], -1{{$}}
; GCN-NEXT: buffer_store_dword v40, off, s[0:3], s32 ; 4-byte Folded Spill
; GCN-NEXT: s_waitcnt_depctr 0xffe3
; GFX1064-NEXT: s_mov_b64 exec, [[COPY_EXEC0]]
; GFX1032-NEXT: s_mov_b32 exec_lo, [[COPY_EXEC0]]
; GCN-NEXT: v_writelane_b32 v40, s33, 2
; GCN: s_mov_b32 s33, s32
; GFX1064: s_addk_i32 s32, 0x400
; GFX1032: s_addk_i32 s32, 0x200
; GCN-DAG: v_writelane_b32 v40, s30, 0
; GCN-DAG: v_writelane_b32 v40, s31, 1
; GCN: s_swappc_b64
; GCN-DAG: v_readlane_b32 s30, v40, 0
; GCN-DAG: v_readlane_b32 s31, v40, 1
; GFX1064: s_addk_i32 s32, 0xfc00
; GFX1032: s_addk_i32 s32, 0xfe00
; GCN: v_readlane_b32 s33, v40, 2
; GFX1064: s_or_saveexec_b64 [[COPY_EXEC1:s\[[0-9]+:[0-9]+\]]], -1{{$}}
; GFX1032: s_or_saveexec_b32 [[COPY_EXEC1:s[0-9]]], -1{{$}}
; GCN-NEXT: buffer_load_dword v40, off, s[0:3], s32 ; 4-byte Folded Reload
; GCN-NEXT: s_waitcnt_depctr 0xffe3
; GFX1064-NEXT: s_mov_b64 exec, [[COPY_EXEC1]]
; GFX1032-NEXT: s_mov_b32 exec_lo, [[COPY_EXEC1]]
; GCN-NEXT: s_waitcnt vmcnt(0)
; GCN-NEXT: s_setpc_b64
define void @callee_no_stack_with_call() #1 {
call void @external_void_func_void()
ret void
}
declare i32 @llvm.amdgcn.workitem.id.x()
declare float @llvm.fabs.f32(float)
declare { float, i1 } @llvm.amdgcn.div.scale.f32(float, float, i1)
declare { double, i1 } @llvm.amdgcn.div.scale.f64(double, double, i1)
declare float @llvm.amdgcn.div.fmas.f32(float, float, float, i1)
declare double @llvm.amdgcn.div.fmas.f64(double, double, double, i1)
declare i1 @llvm.amdgcn.class.f32(float, i32)
declare i32 @llvm.amdgcn.set.inactive.i32(i32, i32)
declare i64 @llvm.amdgcn.set.inactive.i64(i64, i64)
declare <4 x float> @llvm.amdgcn.image.sample.1d.v4f32.f32(i32, float, <8 x i32>, <4 x i32>, i1, i32, i32)
declare <4 x float> @llvm.amdgcn.image.sample.2d.v4f32.f32(i32, float, float, <8 x i32>, <4 x i32>, i1, i32, i32)
declare float @llvm.amdgcn.strict.wwm.f32(float)
declare float @llvm.amdgcn.wwm.f32(float)
declare i32 @llvm.amdgcn.wqm.i32(i32)
declare float @llvm.amdgcn.interp.p1(float, i32, i32, i32)
declare float @llvm.amdgcn.interp.p2(float, float, i32, i32, i32)
declare float @llvm.amdgcn.struct.buffer.load.f32(<4 x i32>, i32, i32, i32, i32 immarg)
declare i32 @llvm.amdgcn.mbcnt.lo(i32, i32)
declare i32 @llvm.amdgcn.mbcnt.hi(i32, i32)
declare i64 @llvm.amdgcn.fcmp.i64.f32(float, float, i32)
declare i64 @llvm.amdgcn.icmp.i64.i32(i32, i32, i32)
declare i32 @llvm.amdgcn.fcmp.i32.f32(float, float, i32)
declare i32 @llvm.amdgcn.icmp.i32.i32(i32, i32, i32)
declare void @llvm.amdgcn.kill(i1)
declare i1 @llvm.amdgcn.wqm.vote(i1)
declare i1 @llvm.amdgcn.ps.live()
declare i64 @llvm.cttz.i64(i64, i1)
declare i32 @llvm.cttz.i32(i32, i1)
declare void @llvm.amdgcn.exp.f32(i32, i32, float, float, float, float, i1, i1) #5
attributes #0 = { nounwind readnone speculatable }
attributes #1 = { nounwind }
attributes #2 = { nounwind readnone optnone noinline }
attributes #3 = { "target-features"="+wavefrontsize32" }
attributes #4 = { "target-features"="+wavefrontsize64" }
attributes #5 = { inaccessiblememonly nounwind }
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