forked from OSchip/llvm-project
25 lines
657 B
LLVM
25 lines
657 B
LLVM
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; RUN: opt -aa-pipeline=basic-aa -passes='print<memoryssa>,verify<memoryssa>' -disable-output < %s 2>&1 | FileCheck %s
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;
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; Checks that basicAA is doing some amount of disambiguation for us
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define i32 @foo(i1 %cond) {
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%a = alloca i32, align 4
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%b = alloca i32, align 4
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; CHECK: 1 = MemoryDef(liveOnEntry)
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; CHECK-NEXT: store i32 0
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store i32 0, i32* %a, align 4
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; CHECK: 2 = MemoryDef(1)
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; CHECK-NEXT: store i32 1
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store i32 1, i32* %b, align 4
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; CHECK: MemoryUse(1)
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; CHECK-NEXT: %1 = load i32
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%1 = load i32, i32* %a, align 4
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; CHECK: MemoryUse(2)
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; CHECK-NEXT: %2 = load i32
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%2 = load i32, i32* %b, align 4
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%3 = add i32 %1, %2
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ret i32 %3
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}
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