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clang-p2996/llvm/test/CodeGen/AMDGPU/trunc-cmp-constant.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

175 lines
6.5 KiB
LLVM
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; 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
declare i32 @llvm.amdgcn.workitem.id.x() nounwind readnone
; FUNC-LABEL {{^}}sextload_i1_to_i32_trunc_cmp_eq_0:
; SI: buffer_load_ubyte [[LOAD:v[0-9]+]]
; SI: v_and_b32_e32 [[TMP:v[0-9]+]], 1, [[LOAD]]
; SI: v_cmp_eq_u32_e32 vcc, 0, [[TMP]]{{$}}
; SI: v_cndmask_b32_e64
; SI: buffer_store_byte
define void @sextload_i1_to_i32_trunc_cmp_eq_0(i1 addrspace(1)* %out, i1 addrspace(1)* %in) nounwind {
%load = load i1, i1 addrspace(1)* %in
%ext = sext i1 %load to i32
%cmp = icmp eq i32 %ext, 0
store i1 %cmp, i1 addrspace(1)* %out
ret void
}
; FIXME: The negate should be inverting the compare.
; FUNC-LABEL: {{^}}zextload_i1_to_i32_trunc_cmp_eq_0:
; SI: buffer_load_ubyte [[LOAD:v[0-9]+]]
; SI: v_and_b32_e32 [[TMP:v[0-9]+]], 1, [[LOAD]]
; SI: v_cmp_eq_u32_e32 vcc, 1, [[TMP]]{{$}}
; SI-NEXT: s_xor_b64 [[NEG:s\[[0-9]+:[0-9]+\]]], vcc, -1
; SI-NEXT: v_cndmask_b32_e64 [[RESULT:v[0-9]+]], 0, 1, [[NEG]]
; SI: buffer_store_byte [[RESULT]]
define void @zextload_i1_to_i32_trunc_cmp_eq_0(i1 addrspace(1)* %out, i1 addrspace(1)* %in) nounwind {
%load = load i1, i1 addrspace(1)* %in
%ext = zext i1 %load to i32
%cmp = icmp eq i32 %ext, 0
store i1 %cmp, i1 addrspace(1)* %out
ret void
}
; FUNC-LABEL: {{^}}sextload_i1_to_i32_trunc_cmp_eq_1:
; SI: v_mov_b32_e32 [[RESULT:v[0-9]+]], 0{{$}}
; SI: buffer_store_byte [[RESULT]]
define void @sextload_i1_to_i32_trunc_cmp_eq_1(i1 addrspace(1)* %out, i1 addrspace(1)* %in) nounwind {
%load = load i1, i1 addrspace(1)* %in
%ext = sext i1 %load to i32
%cmp = icmp eq i32 %ext, 1
store i1 %cmp, i1 addrspace(1)* %out
ret void
}
; FUNC-LABEL: {{^}}zextload_i1_to_i32_trunc_cmp_eq_1:
; SI: buffer_load_ubyte [[LOAD:v[0-9]+]]
; SI: v_and_b32_e32 [[RESULT:v[0-9]+]], 1, [[LOAD]]
; SI: buffer_store_byte [[RESULT]]
define void @zextload_i1_to_i32_trunc_cmp_eq_1(i1 addrspace(1)* %out, i1 addrspace(1)* %in) nounwind {
%load = load i1, i1 addrspace(1)* %in
%ext = zext i1 %load to i32
%cmp = icmp eq i32 %ext, 1
store i1 %cmp, i1 addrspace(1)* %out
ret void
}
; FUNC-LABEL: {{^}}sextload_i1_to_i32_trunc_cmp_eq_neg1:
; SI: buffer_load_ubyte [[LOAD:v[0-9]+]]
; SI: v_and_b32_e32 [[RESULT:v[0-9]+]], 1, [[LOAD]]
; SI: buffer_store_byte [[RESULT]]
define void @sextload_i1_to_i32_trunc_cmp_eq_neg1(i1 addrspace(1)* %out, i1 addrspace(1)* %in) nounwind {
%load = load i1, i1 addrspace(1)* %in
%ext = sext i1 %load to i32
%cmp = icmp eq i32 %ext, -1
store i1 %cmp, i1 addrspace(1)* %out
ret void
}
; FUNC-LABEL: {{^}}zextload_i1_to_i32_trunc_cmp_eq_neg1:
; SI: v_mov_b32_e32 [[RESULT:v[0-9]+]], 0{{$}}
; SI: buffer_store_byte [[RESULT]]
define void @zextload_i1_to_i32_trunc_cmp_eq_neg1(i1 addrspace(1)* %out, i1 addrspace(1)* %in) nounwind {
%load = load i1, i1 addrspace(1)* %in
%ext = zext i1 %load to i32
%cmp = icmp eq i32 %ext, -1
store i1 %cmp, i1 addrspace(1)* %out
ret void
}
; FUNC-LABEL {{^}}sextload_i1_to_i32_trunc_cmp_ne_0:
; SI: buffer_load_ubyte [[LOAD:v[0-9]+]]
; SI: v_and_b32_e32 [[TMP:v[0-9]+]], 1, [[LOAD]]
; SI: buffer_store_byte [[RESULT]]
define void @sextload_i1_to_i32_trunc_cmp_ne_0(i1 addrspace(1)* %out, i1 addrspace(1)* %in) nounwind {
%load = load i1, i1 addrspace(1)* %in
%ext = sext i1 %load to i32
%cmp = icmp ne i32 %ext, 0
store i1 %cmp, i1 addrspace(1)* %out
ret void
}
; FUNC-LABEL: {{^}}zextload_i1_to_i32_trunc_cmp_ne_0:
; SI: buffer_load_ubyte [[LOAD:v[0-9]+]]
; SI: v_and_b32_e32 [[TMP:v[0-9]+]], 1, [[LOAD]]
; SI: buffer_store_byte [[RESULT]]
define void @zextload_i1_to_i32_trunc_cmp_ne_0(i1 addrspace(1)* %out, i1 addrspace(1)* %in) nounwind {
%load = load i1, i1 addrspace(1)* %in
%ext = zext i1 %load to i32
%cmp = icmp ne i32 %ext, 0
store i1 %cmp, i1 addrspace(1)* %out
ret void
}
; FUNC-LABEL: {{^}}sextload_i1_to_i32_trunc_cmp_ne_1:
; SI: v_mov_b32_e32 [[RESULT:v[0-9]+]], 1{{$}}
; SI: buffer_store_byte [[RESULT]]
define void @sextload_i1_to_i32_trunc_cmp_ne_1(i1 addrspace(1)* %out, i1 addrspace(1)* %in) nounwind {
%load = load i1, i1 addrspace(1)* %in
%ext = sext i1 %load to i32
%cmp = icmp ne i32 %ext, 1
store i1 %cmp, i1 addrspace(1)* %out
ret void
}
; FUNC-LABEL: {{^}}zextload_i1_to_i32_trunc_cmp_ne_1:
; SI: buffer_load_ubyte [[LOAD:v[0-9]+]]
; SI: v_and_b32_e32 [[TMP:v[0-9]+]], 1, [[LOAD]]
; SI: v_cmp_eq_u32_e32 vcc, 1, [[TMP]]{{$}}
; SI-NEXT: s_xor_b64 [[NEG:s\[[0-9]+:[0-9]+\]]], vcc, -1
; SI-NEXT: v_cndmask_b32_e64 [[RESULT:v[0-9]+]], 0, 1, [[NEG]]
; SI: buffer_store_byte [[RESULT]]
define void @zextload_i1_to_i32_trunc_cmp_ne_1(i1 addrspace(1)* %out, i1 addrspace(1)* %in) nounwind {
%load = load i1, i1 addrspace(1)* %in
%ext = zext i1 %load to i32
%cmp = icmp ne i32 %ext, 1
store i1 %cmp, i1 addrspace(1)* %out
ret void
}
; FIXME: This should be one compare.
; FUNC-LABEL: {{^}}sextload_i1_to_i32_trunc_cmp_ne_neg1:
; XSI: buffer_load_ubyte [[LOAD:v[0-9]+]]
; XSI: v_and_b32_e32 [[TMP:v[0-9]+]], 1, [[LOAD]]
; XSI: v_cmp_eq_u32_e64 [[CMP0:s\[[0-9]+:[0-9]+\]]], [[TMP]], 0{{$}}
; XSI-NEXT: v_cndmask_b32_e64 [[RESULT:v[0-9]+]], 0, 1, [[CMP0]]
; XSI-NEXT: buffer_store_byte [[RESULT]]
define void @sextload_i1_to_i32_trunc_cmp_ne_neg1(i1 addrspace(1)* %out, i1 addrspace(1)* %in) nounwind {
%load = load i1, i1 addrspace(1)* %in
%ext = sext i1 %load to i32
%cmp = icmp ne i32 %ext, -1
store i1 %cmp, i1 addrspace(1)* %out
ret void
}
; FUNC-LABEL: {{^}}zextload_i1_to_i32_trunc_cmp_ne_neg1:
; SI: v_mov_b32_e32 [[RESULT:v[0-9]+]], 1{{$}}
; SI: buffer_store_byte [[RESULT]]
define void @zextload_i1_to_i32_trunc_cmp_ne_neg1(i1 addrspace(1)* %out, i1 addrspace(1)* %in) nounwind {
%load = load i1, i1 addrspace(1)* %in
%ext = zext i1 %load to i32
%cmp = icmp ne i32 %ext, -1
store i1 %cmp, i1 addrspace(1)* %out
ret void
}
; FIXME: Need to handle non-uniform case for function below (load without gep).
; FUNC-LABEL: {{^}}masked_load_i1_to_i32_trunc_cmp_ne_neg1:
; SI: {{buffer|flat}}_load_sbyte [[LOAD:v[0-9]+]]
; SI: v_cmp_ne_u32_e32 vcc, -1, [[LOAD]]{{$}}
; SI-NEXT: v_cndmask_b32_e64
; SI: {{buffer|flat}}_store_byte
define void @masked_load_i1_to_i32_trunc_cmp_ne_neg1(i1 addrspace(1)* %out, i8 addrspace(1)* %in) nounwind {
%tid.x = call i32 @llvm.amdgcn.workitem.id.x()
%in.ptr = getelementptr i8, i8 addrspace(1)* %in, i32 %tid.x
%load = load i8, i8 addrspace(1)* %in.ptr
%masked = and i8 %load, 255
%ext = sext i8 %masked to i32
%cmp = icmp ne i32 %ext, -1
store i1 %cmp, i1 addrspace(1)* %out
ret void
}
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