34 lines
1.3 KiB
LLVM
34 lines
1.3 KiB
LLVM
; RUN: llc -march=amdgcn -verify-machineinstrs < %s | FileCheck %s
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; Test for a bug where DAGCombiner::ReassociateOps() was creating adds
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; with offset in the first operand and base pointers in the second.
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; CHECK-LABEL: {{^}}store_same_base_ptr:
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; CHECK: buffer_store_dword v{{[0-9]+}}, [[VADDR:v\[[0-9]+:[0-9]+\]]], [[SADDR:s\[[0-9]+:[0-9]+\]]]
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; CHECK: buffer_store_dword v{{[0-9]+}}, [[VADDR]], [[SADDR]]
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; CHECK: buffer_store_dword v{{[0-9]+}}, [[VADDR]], [[SADDR]]
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; CHECK: buffer_store_dword v{{[0-9]+}}, [[VADDR]], [[SADDR]]
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define void @store_same_base_ptr(i32 addrspace(1)* %out) {
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entry:
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%id = call i32 @llvm.amdgcn.workitem.id.x() #0
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%offset = sext i32 %id to i64
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%offset0 = add i64 %offset, 1027
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%ptr0 = getelementptr i32, i32 addrspace(1)* %out, i64 %offset0
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store volatile i32 3, i32 addrspace(1)* %ptr0
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%offset1 = add i64 %offset, 1026
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%ptr1 = getelementptr i32, i32 addrspace(1)* %out, i64 %offset1
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store volatile i32 2, i32 addrspace(1)* %ptr1
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%offset2 = add i64 %offset, 1025
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%ptr2 = getelementptr i32, i32 addrspace(1)* %out, i64 %offset2
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store volatile i32 1, i32 addrspace(1)* %ptr2
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%offset3 = add i64 %offset, 1024
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%ptr3 = getelementptr i32, i32 addrspace(1)* %out, i64 %offset3
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store volatile i32 0, i32 addrspace(1)* %ptr3
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ret void
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}
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declare i32 @llvm.amdgcn.workitem.id.x() #0
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attributes #0 = { nounwind readnone }
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