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| author | Fangrui Song <maskray@google.com> | 2020-01-04 15:39:19 -0800 |
|---|---|---|
| committer | Fangrui Song <maskray@google.com> | 2020-01-10 09:57:34 -0800 |
| commit | a44c434b68e515ce9f2627367c83ff6b22328261 (patch) | |
| tree | d568652ab8ec6c31af18a56b7925f053b0c41ff8 /clang/test/CodeGen | |
| parent | a8fbdc576990653e92ce1d766659005678fd8514 (diff) | |
| download | bcm5719-llvm-a44c434b68e515ce9f2627367c83ff6b22328261.tar.gz bcm5719-llvm-a44c434b68e515ce9f2627367c83ff6b22328261.zip | |
Support function attribute patchable_function_entry
This feature is generic. Make it applicable for AArch64 and X86 because
the backend has only implemented NOP insertion for AArch64 and X86.
Reviewed By: nickdesaulniers, aaron.ballman
Differential Revision: https://reviews.llvm.org/D72221
Diffstat (limited to 'clang/test/CodeGen')
| -rw-r--r-- | clang/test/CodeGen/patchable-function-entry.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/clang/test/CodeGen/patchable-function-entry.c b/clang/test/CodeGen/patchable-function-entry.c new file mode 100644 index 00000000000..678d90ff78f --- /dev/null +++ b/clang/test/CodeGen/patchable-function-entry.c @@ -0,0 +1,21 @@ +// RUN: %clang_cc1 -triple aarch64 -emit-llvm %s -o - | FileCheck %s + +// CHECK: define void @f0() #0 +__attribute__((patchable_function_entry(0))) void f0() {} + +// CHECK: define void @f00() #0 +__attribute__((patchable_function_entry(0, 0))) void f00() {} + +// CHECK: define void @f2() #1 +__attribute__((patchable_function_entry(2))) void f2() {} + +// CHECK: define void @f20() #1 +__attribute__((patchable_function_entry(2, 0))) void f20() {} + +// CHECK: define void @f20decl() #1 +__attribute__((patchable_function_entry(2, 0))) void f20decl(); +void f20decl() {} + +/// M in patchable_function_entry(N,M) is currently ignored. +// CHECK: attributes #0 = { {{.*}} "patchable-function-entry"="0" +// CHECK: attributes #1 = { {{.*}} "patchable-function-entry"="2" |
