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22 lines
512 B
LLVM
22 lines
512 B
LLVM
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; RUN: llc -O2 < %s | FileCheck %s
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@G = common global i32 0, align 4
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define i32 @foo(i8* %p) nounwind uwtable {
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entry:
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%p.addr = alloca i8*, align 8
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%rv = alloca i32, align 4
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store i8* %p, i8** %p.addr, align 8
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store i32 0, i32* @G, align 4
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%0 = load i8** %p.addr, align 8
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; CHECK: blah
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%1 = call i32 asm "blah", "=r,r,~{memory}"(i8* %0) nounwind
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; CHECK: @G
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store i32 %1, i32* %rv, align 4
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%2 = load i32* %rv, align 4
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%3 = load i32* @G, align 4
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%add = add nsw i32 %2, %3
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ret i32 %add
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}
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