1 ; RUN: opt -basicaa -print-memoryssa -verify-memoryssa -analyze < %s 2>&1 | FileCheck %s --check-prefixes=CHECK,NOLIMIT
2 ; RUN: opt -memssa-check-limit=0 -basicaa -print-memoryssa -verify-memoryssa -analyze < %s 2>&1 | FileCheck %s --check-prefixes=CHECK,LIMIT
3 ; RUN: opt -aa-pipeline=basic-aa -passes='print<memoryssa>,verify<memoryssa>' -disable-output < %s 2>&1 | FileCheck %s --check-prefixes=CHECK,NOLIMIT
4 ; 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
6 ; Function Attrs: ssp uwtable
9 ; CHECK: 1 = MemoryDef(liveOnEntry)
10 ; CHECK-NEXT: %call = call noalias i8* @_Znwm(i64 4)
11 %call = call noalias i8* @_Znwm(i64 4)
12 %0 = bitcast i8* %call to i32*
13 ; CHECK: 2 = MemoryDef(1)
14 ; CHECK-NEXT: %call1 = call noalias i8* @_Znwm(i64 4)
15 %call1 = call noalias i8* @_Znwm(i64 4)
16 %1 = bitcast i8* %call1 to i32*
17 ; CHECK: 3 = MemoryDef(2)
18 ; CHECK-NEXT: store i32 5, i32* %0, align 4
19 store i32 5, i32* %0, align 4
20 ; CHECK: 4 = MemoryDef(3)
21 ; CHECK-NEXT: store i32 7, i32* %1, align 4
22 store i32 7, i32* %1, align 4
23 ; NOLIMIT: MemoryUse(3) MustAlias
24 ; NOLIMIT-NEXT: %2 = load i32, i32* %0, align 4
25 ; LIMIT: MemoryUse(4) MayAlias
26 ; LIMIT-NEXT: %2 = load i32, i32* %0, align 4
27 %2 = load i32, i32* %0, align 4
28 ; NOLIMIT: MemoryUse(4) MustAlias
29 ; NOLIMIT-NEXT: %3 = load i32, i32* %1, align 4
30 ; LIMIT: MemoryUse(4) MayAlias
31 ; LIMIT-NEXT: %3 = load i32, i32* %1, align 4
32 %3 = load i32, i32* %1, align 4
33 ; NOLIMIT: MemoryUse(3) MustAlias
34 ; NOLIMIT-NEXT: %4 = load i32, i32* %0, align 4
35 ; LIMIT: MemoryUse(4) MayAlias
36 ; LIMIT-NEXT: %4 = load i32, i32* %0, align 4
37 %4 = load i32, i32* %0, align 4
38 ; NOLIMIT: MemoryUse(4) MustAlias
39 ; NOLIMIT-NEXT: %5 = load i32, i32* %1, align 4
40 ; LIMIT: MemoryUse(4) MayAlias
41 ; LIMIT-NEXT: %5 = load i32, i32* %1, align 4
42 %5 = load i32, i32* %1, align 4
43 %add = add nsw i32 %3, %5
48 declare noalias i8* @_Znwm(i64)