forked from OSchip/llvm-project
32 lines
733 B
LLVM
32 lines
733 B
LLVM
; RUN: opt < %s -disable-basicaa -globals-aa -dse -S | FileCheck %s
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@X = internal global i32 4
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define void @test0() {
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; CHECK-LABEL: @test0
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; CHECK: store i32 0, i32* @X
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; CHECK-NEXT: call void @func_readonly() #0
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; CHECK-NEXT: store i32 1, i32* @X
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store i32 0, i32* @X
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call void @func_readonly() #0
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store i32 1, i32* @X
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ret void
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}
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define void @test1() {
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; CHECK-LABEL: @test1
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; CHECK-NOT: store
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; CHECK: call void @func_read_argmem_only() #1
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; CHECK-NEXT: store i32 3, i32* @X
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store i32 2, i32* @X
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call void @func_read_argmem_only() #1
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store i32 3, i32* @X
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ret void
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}
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declare void @func_readonly() #0
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declare void @func_read_argmem_only() #1
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attributes #0 = { readonly }
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attributes #1 = { readonly argmemonly }
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