forked from OSchip/llvm-project
39 lines
2.0 KiB
LLVM
39 lines
2.0 KiB
LLVM
; RUN: llc -mattr=+promote-alloca -verify-machineinstrs -march=amdgcn < %s | FileCheck -check-prefix=GCN -check-prefix=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-prefix=GCN -check-prefix=GCN-PROMOTE -check-prefix=HSA %s
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; RUN: llc -mattr=-promote-alloca -verify-machineinstrs -march=amdgcn < %s | FileCheck -check-prefix=GCN -check-prefix=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-prefix=GCN -check-prefix=GCN-ALLOCA -check-prefix=HSA %s
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; RUN: llc -mattr=+promote-alloca -verify-machineinstrs -march=amdgcn -mcpu=tonga -mattr=-flat-for-global < %s | FileCheck -check-prefix=GCN -check-prefix=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-prefix=GCN -check-prefix=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: v_cmp_eq_u32_e64 vcc, [[IN]], 1
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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(i32 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], [2 x i32] addrspace(5)* %0, i32 0, i32 0
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%2 = getelementptr [2 x i32], [2 x i32] addrspace(5)* %0, i32 0, i32 1
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store i32 0, i32 addrspace(5)* %1
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store i32 1, i32 addrspace(5)* %2
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%3 = getelementptr [2 x i32], [2 x i32] addrspace(5)* %0, i32 0, i32 %in
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%4 = load i32, i32 addrspace(5)* %3
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%5 = call i32 @llvm.amdgcn.workitem.id.x()
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%6 = add i32 %4, %5
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store i32 %6, i32 addrspace(1)* %out
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ret void
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}
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