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| author | David Bolvansky <david.bolvansky@gmail.com> | 2018-05-16 11:39:52 +0000 |
|---|---|---|
| committer | David Bolvansky <david.bolvansky@gmail.com> | 2018-05-16 11:39:52 +0000 |
| commit | ca22d427b94de946d4ef32b8acbdfb7e62e7cfa4 (patch) | |
| tree | 01b8ba6b94791c2bcc898bcf34d39516a53dea10 /llvm/test/Transforms/InferFunctionAttrs/annotate.ll | |
| parent | 5647e89f5a6369836b08212c14b8ff42db8e82d2 (diff) | |
| download | bcm5719-llvm-ca22d427b94de946d4ef32b8acbdfb7e62e7cfa4.tar.gz bcm5719-llvm-ca22d427b94de946d4ef32b8acbdfb7e62e7cfa4.zip | |
[SimplifyLibcalls] Replace locked IO with unlocked IO
Summary: If file stream arg is not captured and source is fopen, we could replace IO calls by unlocked IO ("_unlocked" function variants) to gain better speed,
Reviewers: efriedma, RKSimon, spatel, sanjoy, hfinkel, majnemer, lebedev.ri, rja
Reviewed By: rja
Subscribers: rja, srhines, efriedma, lebedev.ri, llvm-commits
Differential Revision: https://reviews.llvm.org/D45736
llvm-svn: 332452
Diffstat (limited to 'llvm/test/Transforms/InferFunctionAttrs/annotate.ll')
| -rw-r--r-- | llvm/test/Transforms/InferFunctionAttrs/annotate.ll | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/llvm/test/Transforms/InferFunctionAttrs/annotate.ll b/llvm/test/Transforms/InferFunctionAttrs/annotate.ll index 80ac8f99edc..371f1ad065b 100644 --- a/llvm/test/Transforms/InferFunctionAttrs/annotate.ll +++ b/llvm/test/Transforms/InferFunctionAttrs/annotate.ll @@ -514,6 +514,9 @@ declare i32 @getc_unlocked(%opaque*) ; CHECK: declare i32 @getchar() declare i32 @getchar() +; CHECK: declare i32 @getchar_unlocked() +declare i32 @getchar_unlocked() + ; CHECK: declare i8* @getenv(i8* nocapture) [[G1]] declare i8* @getenv(i8*) @@ -700,6 +703,9 @@ declare i32 @putc(i32, %opaque*) ; CHECK: declare i32 @putchar(i32) declare i32 @putchar(i32) +; CHECK: declare i32 @putchar_unlocked(i32) +declare i32 @putchar_unlocked(i32) + ; CHECK: declare i32 @puts(i8* nocapture readonly) [[G0]] declare i32 @puts(i8*) |
