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clang-p2996/llvm/test/CodeGen/AMDGPU/udivrem24.ll
Matt Arsenault 7aad8fd8f4 Enable FeatureFlatForGlobal on Volcanic Islands 
This switches to the workaround that HSA defaults to
for the mesa path.

This should be applied to the 4.0 branch.

Patch by Vedran Miletić <vedran@miletic.net>

llvm-svn: 292982
2017-01-24 22:02:15 +00:00

328 lines
10 KiB
LLVM
Raw Blame History

; RUN: llc -march=amdgcn -verify-machineinstrs < %s | FileCheck -check-prefix=SI -check-prefix=FUNC %s
; RUN: llc -march=amdgcn -mcpu=tonga -mattr=-flat-for-global -verify-machineinstrs < %s | FileCheck -check-prefix=SI -check-prefix=FUNC %s
; RUN: llc -march=r600 -mcpu=redwood < %s | FileCheck -check-prefix=EG -check-prefix=FUNC %s
; FUNC-LABEL: {{^}}udiv24_i8:
; SI: v_cvt_f32_ubyte
; SI: v_cvt_f32_ubyte
; SI: v_rcp_f32
; SI: v_cvt_u32_f32
; EG: UINT_TO_FLT
; EG-DAG: UINT_TO_FLT
; EG-DAG: RECIP_IEEE
; EG: FLT_TO_UINT
define void @udiv24_i8(i8 addrspace(1)* %out, i8 addrspace(1)* %in) {
%den_ptr = getelementptr i8, i8 addrspace(1)* %in, i8 1
%num = load i8, i8 addrspace(1) * %in
%den = load i8, i8 addrspace(1) * %den_ptr
%result = udiv i8 %num, %den
store i8 %result, i8 addrspace(1)* %out
ret void
}
; FUNC-LABEL: {{^}}udiv24_i16:
; SI: v_cvt_f32_u32
; SI: v_cvt_f32_u32
; SI: v_rcp_f32
; SI: v_cvt_u32_f32
; EG: UINT_TO_FLT
; EG-DAG: UINT_TO_FLT
; EG-DAG: RECIP_IEEE
; EG: FLT_TO_UINT
define void @udiv24_i16(i16 addrspace(1)* %out, i16 addrspace(1)* %in) {
%den_ptr = getelementptr i16, i16 addrspace(1)* %in, i16 1
%num = load i16, i16 addrspace(1) * %in, align 2
%den = load i16, i16 addrspace(1) * %den_ptr, align 2
%result = udiv i16 %num, %den
store i16 %result, i16 addrspace(1)* %out, align 2
ret void
}
; FUNC-LABEL: {{^}}udiv23_i32:
; SI: v_cvt_f32_u32
; SI-DAG: v_cvt_f32_u32
; SI-DAG: v_rcp_f32
; SI: v_cvt_u32_f32
; EG: UINT_TO_FLT
; EG-DAG: UINT_TO_FLT
; EG-DAG: RECIP_IEEE
; EG: FLT_TO_UINT
define void @udiv23_i32(i32 addrspace(1)* %out, i32 addrspace(1)* %in) {
%den_ptr = getelementptr i32, i32 addrspace(1)* %in, i32 1
%num = load i32, i32 addrspace(1) * %in, align 4
%den = load i32, i32 addrspace(1) * %den_ptr, align 4
%num.i23.0 = shl i32 %num, 9
%den.i23.0 = shl i32 %den, 9
%num.i23 = lshr i32 %num.i23.0, 9
%den.i23 = lshr i32 %den.i23.0, 9
%result = udiv i32 %num.i23, %den.i23
store i32 %result, i32 addrspace(1)* %out, align 4
ret void
}
; FUNC-LABEL: {{^}}udiv24_i32:
; SI: v_rcp_iflag
; SI-NOT v_rcp_f32
; EG-NOT: RECIP_IEEE
define void @udiv24_i32(i32 addrspace(1)* %out, i32 addrspace(1)* %in) {
%den_ptr = getelementptr i32, i32 addrspace(1)* %in, i32 1
%num = load i32, i32 addrspace(1) * %in, align 4
%den = load i32, i32 addrspace(1) * %den_ptr, align 4
%num.i24.0 = shl i32 %num, 8
%den.i24.0 = shl i32 %den, 8
%num.i24 = lshr i32 %num.i24.0, 8
%den.i24 = lshr i32 %den.i24.0, 8
%result = udiv i32 %num.i24, %den.i24
store i32 %result, i32 addrspace(1)* %out, align 4
ret void
}
; FUNC-LABEL: {{^}}no_udiv24_u23_u24_i32:
; SI: v_rcp_iflag
; SI-NOT v_rcp_f32
; EG-NOT: RECIP_IEEE
define void @no_udiv24_u23_u24_i32(i32 addrspace(1)* %out, i32 addrspace(1)* %in) {
%den_ptr = getelementptr i32, i32 addrspace(1)* %in, i32 1
%num = load i32, i32 addrspace(1) * %in, align 4
%den = load i32, i32 addrspace(1) * %den_ptr, align 4
%num.i23.0 = shl i32 %num, 9
%den.i24.0 = shl i32 %den, 8
%num.i23 = lshr i32 %num.i23.0, 9
%den.i24 = lshr i32 %den.i24.0, 8
%result = udiv i32 %num.i23, %den.i24
store i32 %result, i32 addrspace(1)* %out, align 4
ret void
}
; FUNC-LABEL: {{^}}no_udiv24_u24_u23_i32:
; SI: v_rcp_iflag
; SI-NOT v_rcp_f32
; EG-NOT: RECIP_IEEE
define void @no_udiv24_u24_u23_i32(i32 addrspace(1)* %out, i32 addrspace(1)* %in) {
%den_ptr = getelementptr i32, i32 addrspace(1)* %in, i32 1
%num = load i32, i32 addrspace(1) * %in, align 4
%den = load i32, i32 addrspace(1) * %den_ptr, align 4
%num.i24.0 = shl i32 %num, 8
%den.i23.0 = shl i32 %den, 9
%num.i24 = lshr i32 %num.i24.0, 8
%den.i23 = lshr i32 %den.i23.0, 9
%result = udiv i32 %num.i24, %den.i23
store i32 %result, i32 addrspace(1)* %out, align 4
ret void
}
; FUNC-LABEL: {{^}}udiv25_i32:
; RCP_IFLAG is for URECIP in the full 32b alg
; SI: v_rcp_iflag
; SI-NOT: v_rcp_f32
; EG-NOT: UINT_TO_FLT
; EG-NOT: RECIP_IEEE
define void @udiv25_i32(i32 addrspace(1)* %out, i32 addrspace(1)* %in) {
%den_ptr = getelementptr i32, i32 addrspace(1)* %in, i32 1
%num = load i32, i32 addrspace(1) * %in, align 4
%den = load i32, i32 addrspace(1) * %den_ptr, align 4
%num.i25.0 = shl i32 %num, 7
%den.i25.0 = shl i32 %den, 7
%num.i25 = lshr i32 %num.i25.0, 7
%den.i25 = lshr i32 %den.i25.0, 7
%result = udiv i32 %num.i25, %den.i25
store i32 %result, i32 addrspace(1)* %out, align 4
ret void
}
; FUNC-LABEL: {{^}}test_no_udiv24_i32_1:
; RCP_IFLAG is for URECIP in the full 32b alg
; SI: v_rcp_iflag
; SI-NOT: v_rcp_f32
; EG-NOT: UINT_TO_FLT
; EG-NOT: RECIP_IEEE
define void @test_no_udiv24_i32_1(i32 addrspace(1)* %out, i32 addrspace(1)* %in) {
%den_ptr = getelementptr i32, i32 addrspace(1)* %in, i32 1
%num = load i32, i32 addrspace(1) * %in, align 4
%den = load i32, i32 addrspace(1) * %den_ptr, align 4
%num.i24.0 = shl i32 %num, 8
%den.i24.0 = shl i32 %den, 7
%num.i24 = lshr i32 %num.i24.0, 8
%den.i24 = lshr i32 %den.i24.0, 7
%result = udiv i32 %num.i24, %den.i24
store i32 %result, i32 addrspace(1)* %out, align 4
ret void
}
; FUNC-LABEL: {{^}}test_no_udiv24_i32_2:
; RCP_IFLAG is for URECIP in the full 32b alg
; SI: v_rcp_iflag
; SI-NOT: v_rcp_f32
; EG-NOT: UINT_TO_FLT
; EG-NOT: RECIP_IEEE
define void @test_no_udiv24_i32_2(i32 addrspace(1)* %out, i32 addrspace(1)* %in) {
%den_ptr = getelementptr i32, i32 addrspace(1)* %in, i32 1
%num = load i32, i32 addrspace(1) * %in, align 4
%den = load i32, i32 addrspace(1) * %den_ptr, align 4
%num.i24.0 = shl i32 %num, 7
%den.i24.0 = shl i32 %den, 8
%num.i24 = lshr i32 %num.i24.0, 7
%den.i24 = lshr i32 %den.i24.0, 8
%result = udiv i32 %num.i24, %den.i24
store i32 %result, i32 addrspace(1)* %out, align 4
ret void
}
; FUNC-LABEL: {{^}}urem24_i8:
; SI: v_cvt_f32_ubyte
; SI: v_cvt_f32_ubyte
; SI: v_rcp_f32
; SI: v_cvt_u32_f32
; EG: UINT_TO_FLT
; EG-DAG: UINT_TO_FLT
; EG-DAG: RECIP_IEEE
; EG: FLT_TO_UINT
define void @urem24_i8(i8 addrspace(1)* %out, i8 addrspace(1)* %in) {
%den_ptr = getelementptr i8, i8 addrspace(1)* %in, i8 1
%num = load i8, i8 addrspace(1) * %in
%den = load i8, i8 addrspace(1) * %den_ptr
%result = urem i8 %num, %den
store i8 %result, i8 addrspace(1)* %out
ret void
}
; FUNC-LABEL: {{^}}urem24_i16:
; SI: v_cvt_f32_u32
; SI: v_cvt_f32_u32
; SI: v_rcp_f32
; SI: v_cvt_u32_f32
; EG: UINT_TO_FLT
; EG-DAG: UINT_TO_FLT
; EG-DAG: RECIP_IEEE
; EG: FLT_TO_UINT
define void @urem24_i16(i16 addrspace(1)* %out, i16 addrspace(1)* %in) {
%den_ptr = getelementptr i16, i16 addrspace(1)* %in, i16 1
%num = load i16, i16 addrspace(1) * %in, align 2
%den = load i16, i16 addrspace(1) * %den_ptr, align 2
%result = urem i16 %num, %den
store i16 %result, i16 addrspace(1)* %out, align 2
ret void
}
; FUNC-LABEL: {{^}}urem24_i32:
; SI-NOT: v_rcp_f32
; EG-NOT: RECIP_IEEE
define void @urem24_i32(i32 addrspace(1)* %out, i32 addrspace(1)* %in) {
%den_ptr = getelementptr i32, i32 addrspace(1)* %in, i32 1
%num = load i32, i32 addrspace(1) * %in, align 4
%den = load i32, i32 addrspace(1) * %den_ptr, align 4
%num.i24.0 = shl i32 %num, 8
%den.i24.0 = shl i32 %den, 8
%num.i24 = lshr i32 %num.i24.0, 8
%den.i24 = lshr i32 %den.i24.0, 8
%result = urem i32 %num.i24, %den.i24
store i32 %result, i32 addrspace(1)* %out, align 4
ret void
}
; FUNC-LABEL: {{^}}urem25_i32:
; RCP_IFLAG is for URECIP in the full 32b alg
; SI: v_rcp_iflag
; SI-NOT: v_rcp_f32
; EG-NOT: UINT_TO_FLT
; EG-NOT: RECIP_IEEE
define void @urem25_i32(i32 addrspace(1)* %out, i32 addrspace(1)* %in) {
%den_ptr = getelementptr i32, i32 addrspace(1)* %in, i32 1
%num = load i32, i32 addrspace(1) * %in, align 4
%den = load i32, i32 addrspace(1) * %den_ptr, align 4
%num.i24.0 = shl i32 %num, 7
%den.i24.0 = shl i32 %den, 7
%num.i24 = lshr i32 %num.i24.0, 7
%den.i24 = lshr i32 %den.i24.0, 7
%result = urem i32 %num.i24, %den.i24
store i32 %result, i32 addrspace(1)* %out, align 4
ret void
}
; FUNC-LABEL: {{^}}test_no_urem24_i32_1:
; RCP_IFLAG is for URECIP in the full 32b alg
; SI: v_rcp_iflag
; SI-NOT: v_rcp_f32
; EG-NOT: UINT_TO_FLT
; EG-NOT: RECIP_IEEE
define void @test_no_urem24_i32_1(i32 addrspace(1)* %out, i32 addrspace(1)* %in) {
%den_ptr = getelementptr i32, i32 addrspace(1)* %in, i32 1
%num = load i32, i32 addrspace(1) * %in, align 4
%den = load i32, i32 addrspace(1) * %den_ptr, align 4
%num.i24.0 = shl i32 %num, 8
%den.i24.0 = shl i32 %den, 7
%num.i24 = lshr i32 %num.i24.0, 8
%den.i24 = lshr i32 %den.i24.0, 7
%result = urem i32 %num.i24, %den.i24
store i32 %result, i32 addrspace(1)* %out, align 4
ret void
}
; FUNC-LABEL: {{^}}test_no_urem24_i32_2:
; RCP_IFLAG is for URECIP in the full 32b alg
; SI: v_rcp_iflag
; SI-NOT: v_rcp_f32
; EG-NOT: UINT_TO_FLT
; EG-NOT: RECIP_IEEE
define void @test_no_urem24_i32_2(i32 addrspace(1)* %out, i32 addrspace(1)* %in) {
%den_ptr = getelementptr i32, i32 addrspace(1)* %in, i32 1
%num = load i32, i32 addrspace(1) * %in, align 4
%den = load i32, i32 addrspace(1) * %den_ptr, align 4
%num.i24.0 = shl i32 %num, 7
%den.i24.0 = shl i32 %den, 8
%num.i24 = lshr i32 %num.i24.0, 7
%den.i24 = lshr i32 %den.i24.0, 8
%result = urem i32 %num.i24, %den.i24
store i32 %result, i32 addrspace(1)* %out, align 4
ret void
}
; FUNC-LABEL: {{^}}test_udiv24_u16_u23_i32:
; SI-DAG: v_rcp_f32
; SI-DAG: s_mov_b32 [[MASK:s[0-9]+]], 0x7fffff{{$}}
; SI: v_and_b32_e32 v{{[0-9]+}}, [[MASK]],
; EG: RECIP_IEEE
define void @test_udiv24_u16_u23_i32(i32 addrspace(1)* %out, i32 addrspace(1)* %in) {
%den_ptr = getelementptr i32, i32 addrspace(1)* %in, i32 1
%num = load i32, i32 addrspace(1) * %in, align 4
%den = load i32, i32 addrspace(1) * %den_ptr, align 4
%num.i16.0 = shl i32 %num, 16
%den.i23.0 = shl i32 %den, 9
%num.i16 = lshr i32 %num.i16.0, 16
%den.i23 = lshr i32 %den.i23.0, 9
%result = udiv i32 %num.i16, %den.i23
store i32 %result, i32 addrspace(1)* %out, align 4
ret void
}
; FUNC-LABEL: {{^}}test_udiv24_u23_u16_i32:
; SI-DAG: v_rcp_f32
; SI-DAG: s_mov_b32 [[MASK:s[0-9]+]], 0x7fffff{{$}}
; SI: v_and_b32_e32 v{{[0-9]+}}, [[MASK]],
; EG: RECIP_IEEE
define void @test_udiv24_u23_u16_i32(i32 addrspace(1)* %out, i32 addrspace(1)* %in) {
%den_ptr = getelementptr i32, i32 addrspace(1)* %in, i32 1
%num = load i32, i32 addrspace(1) * %in, align 4
%den = load i32, i32 addrspace(1) * %den_ptr, align 4
%num.i23.0 = shl i32 %num, 9
%den.i16.0 = shl i32 %den, 16
%num.i23 = lshr i32 %num.i23.0, 9
%den.i16 = lshr i32 %den.i16.0, 16
%result = udiv i32 %num.i23, %den.i16
store i32 %result, i32 addrspace(1)* %out, align 4
ret void
}
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