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[AST] Add tests for argmemonly calls [NFC]
First step towards building a test set to rebase D50730 on top of. Starting with clone of memtransfer tests, more to come. llvm-svn: 340095
This commit is contained in:
Philip Reames
parent
093a920219
commit
96303e96c2
130
test/Analysis/AliasSet/argmemonly.ll
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130
test/Analysis/AliasSet/argmemonly.ll
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; RUN: opt -basicaa -print-alias-sets -S -o - < %s 2>&1 | FileCheck %s
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@s = global i8 1, align 1
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@d = global i8 2, align 1
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; CHECK: Alias sets for function 'test1':
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; CHECK-NEXT: Alias Set Tracker: 3 alias sets for 2 pointer values.
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; CHECK-NEXT: AliasSet[0x{{[0-9a-f]+}}, 1] must alias, Mod Pointers: (i8* %a, 1)
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; CHECK-NEXT: AliasSet[0x{{[0-9a-f]+}}, 1] may alias, Mod/Ref
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; CHECK-NEXT: 1 Unknown instructions: call void @my_memcpy(i8* %d, i8* %s, i64 1)
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; CHECK-NEXT: AliasSet[0x{{[0-9a-f]+}}, 1] must alias, Mod Pointers: (i8* %b, 1)
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define void @test1(i8* %s, i8* %d) {
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entry:
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%a = alloca i8, align 1
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%b = alloca i8, align 1
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store i8 1, i8* %a, align 1
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call void @my_memcpy(i8* %d, i8* %s, i64 1)
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store i8 1, i8* %b, align 1
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ret void
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}
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; CHECK: Alias sets for function 'test3':
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; CHECK-NEXT: Alias Set Tracker: 3 alias sets for 2 pointer values.
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; CHECK-NEXT: AliasSet[0x{{[0-9a-f]+}}, 1] must alias, Mod Pointers: (i8* %a, 1)
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; CHECK-NEXT: AliasSet[0x{{[0-9a-f]+}}, 1] may alias, Mod/Ref
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; CHECK-NEXT: Unknown instructions: call void @my_memmove(i8* %d, i8* %s, i64 1)
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; CHECK-NEXT: AliasSet[0x{{[0-9a-f]+}}, 1] must alias, Mod Pointers: (i8* %b, 1)
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define void @test3(i8* %s, i8* %d) {
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entry:
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%a = alloca i8, align 1
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%b = alloca i8, align 1
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store i8 1, i8* %a, align 1
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call void @my_memmove(i8* %d, i8* %s, i64 1)
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store i8 1, i8* %b, align 1
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ret void
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}
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; CHECK: Alias sets for function 'test5':
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; CHECK-NEXT: Alias Set Tracker: 1 alias sets for 2 pointer values.
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; CHECK-NEXT: AliasSet[0x{{[0-9a-f]+}}, 3] may alias, Mod/Ref Pointers: (i8* %a, 1), (i8* %b, 1)
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; CHECK-NEXT: 1 Unknown instructions: call void @my_memcpy(i8* %b, i8* %a, i64 1)
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define void @test5() {
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entry:
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%a = alloca i8, align 1
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%b = alloca i8, align 1
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store i8 1, i8* %a, align 1
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call void @my_memcpy(i8* %b, i8* %a, i64 1)
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store i8 1, i8* %b, align 1
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ret void
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}
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; CHECK: Alias sets for function 'test6':
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; CHECK-NEXT: Alias Set Tracker: 1 alias sets for 2 pointer values.
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; CHECK-NEXT: AliasSet[0x{{[0-9a-f]+}}, 3] may alias, Mod/Ref Pointers: (i8* %a, 1), (i8* %b, 1)
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; CHECK-NEXT: 1 Unknown instructions: call void @my_memmove(i8* %b, i8* %a, i64 1)
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define void @test6() {
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entry:
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%a = alloca i8, align 1
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%b = alloca i8, align 1
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store i8 1, i8* %a, align 1
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call void @my_memmove(i8* %b, i8* %a, i64 1)
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store i8 1, i8* %b, align 1
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ret void
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}
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; CHECK: Alias sets for function 'test7':
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; CHECK-NEXT: Alias Set Tracker: 1 alias sets for 2 pointer values.
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; CHECK-NEXT: AliasSet[0x{{[0-9a-f]+}}, 3] may alias, Mod/Ref Pointers: (i8* %a, 1), (i8* %b, 1)
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; CHECK-NEXT: 2 Unknown instructions: call void @my_memcpy(i8* %b, i8* %a, i64 1), call void @my_memcpy(i8* %a, i8* %b, i64 1)
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define void @test7() {
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entry:
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%a = alloca i8, align 1
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%b = alloca i8, align 1
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store i8 1, i8* %a, align 1
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call void @my_memcpy(i8* %b, i8* %a, i64 1)
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call void @my_memcpy(i8* %a, i8* %b, i64 1)
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store i8 1, i8* %b, align 1
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ret void
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}
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; CHECK: Alias sets for function 'test_memset1':
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; CHECK-NEXT: Alias Set Tracker: 1 alias sets for 0 pointer values.
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; CHECK-NEXT: AliasSet[0x{{[0-9a-f]+}}, 1] may alias, Mod/Ref
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; CHECK-NEXT: 1 Unknown instructions: call void @my_memset(i8* %a, i8 0, i64 1)
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define void @test_memset1() {
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entry:
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%a = alloca i8, align 1
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call void @my_memset(i8* %a, i8 0, i64 1)
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ret void
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}
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; CHECK: Alias sets for function 'test_memset2':
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; CHECK-NEXT: Alias Set Tracker: 1 alias sets for 0 pointer values.
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; CHECK-NEXT: AliasSet[0x{{[0-9a-f]+}}, 1] may alias, Mod/Ref
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; CHECK-NEXT: 1 Unknown instructions: call void @my_memset(i8* %a, i8 0, i64 1)
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define void @test_memset2(i8* %a) {
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entry:
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call void @my_memset(i8* %a, i8 0, i64 1)
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ret void
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}
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; CHECK: Alias sets for function 'test_memset3':
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; CHECK-NEXT: Alias Set Tracker: 1 alias sets for 0 pointer values.
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; CHECK-NEXT: AliasSet[0x{{[0-9a-f]+}}, 1] may alias, Mod/Ref
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; CHECK-NEXT: 2 Unknown instructions: call void @my_memset(i8* %a, i8 0, i64 1), call void @my_memset(i8* %b, i8 0, i64 1)
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define void @test_memset3(i8* %a, i8* %b) {
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entry:
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call void @my_memset(i8* %a, i8 0, i64 1)
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call void @my_memset(i8* %b, i8 0, i64 1)
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ret void
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}
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; CHECK: Alias sets for function 'test_memset4':
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; CHECK-NEXT: Alias Set Tracker: 2 alias sets for 0 pointer values.
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; CHECK-NEXT: AliasSet[0x{{[0-9a-f]+}}, 1] may alias, Mod/Ref
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; CHECK-NEXT: 1 Unknown instructions: call void @my_memset(i8* %a, i8 0, i64 1)
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; CHECK-NEXT: AliasSet[0x{{[0-9a-f]+}}, 1] may alias, Mod/Ref
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; CHECK-NEXT: 1 Unknown instructions: call void @my_memset(i8* %b, i8 0, i64 1)
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define void @test_memset4(i8* noalias %a, i8* noalias %b) {
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entry:
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call void @my_memset(i8* %a, i8 0, i64 1)
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call void @my_memset(i8* %b, i8 0, i64 1)
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ret void
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}
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declare void @my_memset(i8* nocapture writeonly, i8, i64) argmemonly
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declare void @my_memcpy(i8* nocapture writeonly, i8* nocapture readonly, i64) argmemonly
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declare void @my_memmove(i8* nocapture, i8* nocapture readonly, i64) argmemonly
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