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| author | Manoj Gupta <manojgupta@google.com> | 2018-03-02 23:52:44 +0000 |
|---|---|---|
| committer | Manoj Gupta <manojgupta@google.com> | 2018-03-02 23:52:44 +0000 |
| commit | 886b4505f2d71ec34aea8b3342914f7daee45db4 (patch) | |
| tree | d7b784b99b935a544f93db31ba8cea2631e719c8 /clang/test/CodeGen/fentry.c | |
| parent | a4619d9944c7e54c421582c7dc592ae051d8bf51 (diff) | |
| download | bcm5719-llvm-886b4505f2d71ec34aea8b3342914f7daee45db4.tar.gz bcm5719-llvm-886b4505f2d71ec34aea8b3342914f7daee45db4.zip | |
Do not generate calls to fentry with __attribute__((no_instrument_function))
Summary:
Currently only calls to mcount were suppressed with
no_instrument_function attribute.
Linux kernel requires that calls to fentry should also not be
generated.
This is an extended fix for PR PR33515.
Reviewers: hfinkel, rengolin, srhines, rnk, rsmith, rjmccall, hans
Reviewed By: rjmccall
Subscribers: cfe-commits
Differential Revision: https://reviews.llvm.org/D43995
llvm-svn: 326639
Diffstat (limited to 'clang/test/CodeGen/fentry.c')
| -rw-r--r-- | clang/test/CodeGen/fentry.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/clang/test/CodeGen/fentry.c b/clang/test/CodeGen/fentry.c index b9133184e4d..43586c45633 100644 --- a/clang/test/CodeGen/fentry.c +++ b/clang/test/CodeGen/fentry.c @@ -7,5 +7,12 @@ int foo(void) { return 0; } -//CHECK: attributes #{{[0-9]+}} = { {{.*}}"fentry-call"="true"{{.*}} } -//NOPG-NOT: attributes #{{[0-9]+}} = { {{.*}}"fentry-call"{{.*}} } +int __attribute__((no_instrument_function)) no_instrument(void) { + return foo(); +} + +//CHECK: attributes #0 = { {{.*}}"fentry-call"="true"{{.*}} } +//CHECK: attributes #1 = { {{.*}} } +//CHECK-NOT: attributes #1 = { {{.*}}"fentry-call"="true"{{.*}} } +//NOPG-NOT: attributes #0 = { {{.*}}"fentry-call"{{.*}} } +//NOPG-NOT: attributes #1 = { {{.*}}"fentry-call"{{.*}} } |
