39 lines
1.8 KiB
LLVM
39 lines
1.8 KiB
LLVM
; RUN: llc -mattr=+promote-alloca -verify-machineinstrs -march=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 -march=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 -march=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 -march=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_b64 vcc, -1, 0
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; GCN-PROMOTE-NEXT: v_addc_u32_e32 [[RESULT:v[0-9]+]], vcc, 0, v0, vcc
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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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