45 lines
1.6 KiB
LLVM
45 lines
1.6 KiB
LLVM
; RUN: opt -aa-pipeline=basic-aa -passes='print<memoryssa>,verify<memoryssa>' -disable-output < %s 2>&1 | FileCheck %s --check-prefixes=CHECK,NOLIMIT
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; RUN: opt -memssa-check-limit=0 -aa-pipeline=basic-aa -passes='print<memoryssa>,verify<memoryssa>' -disable-output < %s 2>&1 | FileCheck %s --check-prefixes=CHECK,LIMIT
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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 ptr @_Znwm(i64 4)
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%call = call noalias ptr @_Znwm(i64 4)
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; CHECK: 2 = MemoryDef(1)
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; CHECK-NEXT: %call1 = call noalias ptr @_Znwm(i64 4)
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%call1 = call noalias ptr @_Znwm(i64 4)
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; CHECK: 3 = MemoryDef(2)
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; CHECK-NEXT: store i32 5, ptr %call, align 4
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store i32 5, ptr %call, align 4
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; CHECK: 4 = MemoryDef(3)
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; CHECK-NEXT: store i32 7, ptr %call1, align 4
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store i32 7, ptr %call1, align 4
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; NOLIMIT: MemoryUse(3)
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; NOLIMIT-NEXT: %0 = load i32, ptr %call, align 4
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; LIMIT: MemoryUse(4)
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; LIMIT-NEXT: %0 = load i32, ptr %call, align 4
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%0 = load i32, ptr %call, align 4
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; NOLIMIT: MemoryUse(4)
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; NOLIMIT-NEXT: %1 = load i32, ptr %call1, align 4
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; LIMIT: MemoryUse(4)
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; LIMIT-NEXT: %1 = load i32, ptr %call1, align 4
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%1 = load i32, ptr %call1, align 4
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; NOLIMIT: MemoryUse(3)
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; NOLIMIT-NEXT: %2 = load i32, ptr %call, align 4
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; LIMIT: MemoryUse(4)
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; LIMIT-NEXT: %2 = load i32, ptr %call, align 4
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%2 = load i32, ptr %call, align 4
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; NOLIMIT: MemoryUse(4)
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; NOLIMIT-NEXT: %3 = load i32, ptr %call1, align 4
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; LIMIT: MemoryUse(4)
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; LIMIT-NEXT: %3 = load i32, ptr %call1, align 4
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%3 = load i32, ptr %call1, align 4
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%add = add nsw i32 %1, %3
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ret i32 %add
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}
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declare noalias ptr @_Znwm(i64)
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