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-rw-r--r--llvm/test/Transforms/InferFunctionAttrs/annotate.ll24
1 files changed, 24 insertions, 0 deletions
diff --git a/llvm/test/Transforms/InferFunctionAttrs/annotate.ll b/llvm/test/Transforms/InferFunctionAttrs/annotate.ll
new file mode 100644
index 00000000000..963f484eb55
--- /dev/null
+++ b/llvm/test/Transforms/InferFunctionAttrs/annotate.ll
@@ -0,0 +1,24 @@
+; RUN: opt < %s -inferattrs -S | FileCheck %s
+; RUN: opt < %s -passes=inferattrs -S | FileCheck %s
+; RUN: opt < %s -mtriple=x86_64-apple-macosx10.8.0 -inferattrs -S | FileCheck -check-prefix=CHECK-POSIX %s
+
+declare i8* @fopen(i8*, i8*)
+; CHECK: declare noalias i8* @fopen(i8* nocapture readonly, i8* nocapture readonly) [[G0:#[0-9]]]
+
+declare i8 @strlen(i8*)
+; CHECK: declare i8 @strlen(i8* nocapture) [[G1:#[0-9]]]
+
+declare i32* @realloc(i32*, i32)
+; CHECK: declare noalias i32* @realloc(i32* nocapture, i32) [[G0]]
+
+; Test deliberately wrong declaration
+
+declare i32 @strcpy(...)
+; CHECK: declare i32 @strcpy(...)
+
+declare i32 @gettimeofday(i8*, i8*)
+; CHECK-POSIX: declare i32 @gettimeofday(i8* nocapture, i8* nocapture) [[G0:#[0-9]+]]
+
+; CHECK: attributes [[G0]] = { nounwind }
+; CHECK: attributes [[G1]] = { nounwind readonly }
+; CHECK-POSIX: attributes [[G0]] = { nounwind }
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