derek.holloway
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56 lines
2.5 KiB
LLVM
56 lines
2.5 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --function-signature --check-attributes --check-globals
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; RUN: opt -max-heap-to-stack-size=-1 -aa-pipeline=basic-aa -passes=attributor -attributor-manifest-internal -attributor-annotate-decl-cs -S < %s | FileCheck %s --check-prefixes=CHECK,TUNIT
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; RUN: opt -max-heap-to-stack-size=-1 -aa-pipeline=basic-aa -passes=attributor-cgscc -attributor-manifest-internal -attributor-annotate-decl-cs -S < %s | FileCheck %s --check-prefixes=CHECK,CGSCC
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declare i64 @subfn(ptr) #0
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declare noalias ptr @malloc(i64) allockind("alloc,uninitialized") allocsize(0) "alloc-family"="malloc"
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declare noalias ptr @calloc(i64, i64) allockind("alloc,zeroed") allocsize(0,1) "alloc-family"="malloc"
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declare void @free(ptr) allockind("free") "alloc-family"="malloc"
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define i64 @f(i64 %len) {
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; CHECK-LABEL: define {{[^@]+}}@f
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; CHECK-SAME: (i64 [[LEN:%.*]]) {
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; CHECK-NEXT: entry:
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; CHECK-NEXT: [[MEM_H2S:%.*]] = alloca i8, i64 [[LEN]], align 1
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; CHECK-NEXT: [[RES:%.*]] = call i64 @subfn(ptr [[MEM_H2S]]) #[[ATTR5:[0-9]+]]
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; CHECK-NEXT: ret i64 [[RES]]
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;
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entry:
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%mem = call ptr @malloc(i64 %len)
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%res = call i64 @subfn(ptr %mem)
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call void @free(ptr %mem)
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ret i64 %res
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}
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define i64 @g(i64 %len) {
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; CHECK-LABEL: define {{[^@]+}}@g
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; CHECK-SAME: (i64 [[LEN:%.*]]) {
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; CHECK-NEXT: entry:
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; CHECK-NEXT: [[TMP0:%.*]] = mul i64 [[LEN]], 8
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; CHECK-NEXT: [[MEM_H2S:%.*]] = alloca i8, i64 [[TMP0]], align 1
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; CHECK-NEXT: call void @llvm.memset.p0.i64(ptr [[MEM_H2S]], i8 0, i64 [[TMP0]], i1 false)
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; CHECK-NEXT: [[RES:%.*]] = call i64 @subfn(ptr [[MEM_H2S]]) #[[ATTR5]]
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; CHECK-NEXT: ret i64 [[RES]]
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;
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entry:
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%mem = call ptr @calloc(i64 %len, i64 8)
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%res = call i64 @subfn(ptr %mem)
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call void @free(ptr %mem)
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ret i64 %res
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}
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attributes #0 = { nounwind willreturn }
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;.
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; CHECK: attributes #[[ATTR0:[0-9]+]] = { nounwind willreturn }
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; CHECK: attributes #[[ATTR1:[0-9]+]] = { allockind("alloc,uninitialized") allocsize(0) "alloc-family"="malloc" }
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; CHECK: attributes #[[ATTR2:[0-9]+]] = { allockind("alloc,zeroed") allocsize(0,1) "alloc-family"="malloc" }
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; CHECK: attributes #[[ATTR3:[0-9]+]] = { allockind("free") "alloc-family"="malloc" }
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; CHECK: attributes #[[ATTR4:[0-9]+]] = { nocallback nofree nosync nounwind willreturn memory(argmem: write) }
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; CHECK: attributes #[[ATTR5]] = { nounwind }
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;.
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;; NOTE: These prefixes are unused and the list is autogenerated. Do not add tests below this line:
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; CGSCC: {{.*}}
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; TUNIT: {{.*}}
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