352c48f278
The Target hook convertSelectOfConstantsToMath() needs to be used within SimplifySelectCC helper combine function in SelectionDAG Isel, where generic select folding with constants is happening into simple maths op using the condition as it is. It necessarily fixes #121145.
39 lines
1.9 KiB
LLVM
39 lines
1.9 KiB
LLVM
; RUN: llc -mattr=+promote-alloca -verify-machineinstrs -mtriple=amdgcn < %s | FileCheck --check-prefixes=GCN,GCN-PROMOTE %s
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; RUN: llc -mattr=+promote-alloca,-flat-for-global -verify-machineinstrs -mtriple=amdgcn--amdhsa -mcpu=kaveri < %s | FileCheck --check-prefixes=GCN,GCN-PROMOTE %s
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; RUN: llc -mattr=-promote-alloca -verify-machineinstrs -mtriple=amdgcn < %s | FileCheck --check-prefixes=GCN,GCN-ALLOCA %s
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; RUN: llc -mattr=-promote-alloca,-flat-for-global -verify-machineinstrs -mtriple=amdgcn-amdhsa -mcpu=kaveri < %s | FileCheck --check-prefixes=GCN,GCN-ALLOCA %s
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; RUN: llc -mattr=+promote-alloca -verify-machineinstrs -mtriple=amdgcn -mcpu=tonga -mattr=-flat-for-global < %s | FileCheck --check-prefixes=GCN,GCN-PROMOTE %s
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; RUN: llc -mattr=-promote-alloca -verify-machineinstrs -mtriple=amdgcn -mcpu=tonga -mattr=-flat-for-global < %s | FileCheck --check-prefixes=GCN,GCN-ALLOCA %s
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declare i32 @llvm.amdgcn.workitem.id.x() nounwind readnone
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; Make sure we don't overwrite workitem information with private memory
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; GCN-LABEL: {{^}}work_item_info:
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; GCN-NOT: v0
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; GCN: s_load_dword [[IN:s[0-9]+]]
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; GCN-NOT: v0
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; GCN-ALLOCA: v_add_{{[iu]}}32_e32 [[RESULT:v[0-9]+]], vcc, v{{[0-9]+}}, v0
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; GCN-PROMOTE: s_cmp_eq_u32 [[IN]], 1
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; GCN-PROMOTE-NEXT: s_cselect_b32 [[SCC:s[0-9]+]], 1, 0
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; GCN-PROMOTE-NEXT: v_add_{{[iu]}}32_e32 [[RESULT:v[0-9]+]], vcc, [[SCC]], v0
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; GCN: buffer_store_dword [[RESULT]]
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define amdgpu_kernel void @work_item_info(ptr addrspace(1) %out, i32 %in) {
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entry:
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%0 = alloca [2 x i32], addrspace(5)
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%1 = getelementptr [2 x i32], ptr addrspace(5) %0, i32 0, i32 1
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store i32 0, ptr addrspace(5) %0
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store i32 1, ptr addrspace(5) %1
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%2 = getelementptr [2 x i32], ptr addrspace(5) %0, i32 0, i32 %in
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%3 = load i32, ptr addrspace(5) %2
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%4 = call i32 @llvm.amdgcn.workitem.id.x()
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%5 = add i32 %3, %4
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store i32 %5, ptr addrspace(1) %out
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ret void
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}
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