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38 lines
1.3 KiB
LLVM
38 lines
1.3 KiB
LLVM
; RUN: opt -basicaa -print-memoryssa -verify-memoryssa -analyze < %s 2>&1 | FileCheck %s
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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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; Function Attrs: ssp uwtable
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define i32 @main() {
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entry:
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; CHECK: 1 = MemoryDef(liveOnEntry)
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; CHECK-NEXT: %call = call noalias i8* @_Znwm(i64 4)
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%call = call noalias i8* @_Znwm(i64 4)
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%0 = bitcast i8* %call to i32*
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; CHECK: 2 = MemoryDef(1)
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; CHECK-NEXT: %call1 = call noalias i8* @_Znwm(i64 4)
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%call1 = call noalias i8* @_Znwm(i64 4)
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%1 = bitcast i8* %call1 to i32*
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; CHECK: 3 = MemoryDef(2)
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; CHECK-NEXT: store i32 5, i32* %0, align 4
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store i32 5, i32* %0, align 4
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; CHECK: 4 = MemoryDef(3)
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; CHECK-NEXT: store i32 7, i32* %1, align 4
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store i32 7, i32* %1, align 4
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; CHECK: MemoryUse(3)
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; CHECK-NEXT: %2 = load i32, i32* %0, align 4
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%2 = load i32, i32* %0, align 4
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; CHECK: MemoryUse(4)
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; CHECK-NEXT: %3 = load i32, i32* %1, align 4
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%3 = load i32, i32* %1, align 4
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; CHECK: MemoryUse(3)
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; CHECK-NEXT: %4 = load i32, i32* %0, align 4
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%4 = load i32, i32* %0, align 4
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; CHECK: MemoryUse(4)
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; CHECK-NEXT: %5 = load i32, i32* %1, align 4
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%5 = load i32, i32* %1, align 4
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%add = add nsw i32 %3, %5
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ret i32 %add
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}
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declare noalias i8* @_Znwm(i64)
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