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| author | Betul Buyukkurt <betulb@codeaurora.org> | 2016-03-29 20:44:09 +0000 |
|---|---|---|
| committer | Betul Buyukkurt <betulb@codeaurora.org> | 2016-03-29 20:44:09 +0000 |
| commit | a393dca7ea5cdd5de3a8c4cb20c83d050df39793 (patch) | |
| tree | 7e5694ab046b06bdcd916a9a348ec2f9659b3297 /test/Profile | |
| parent | 4e812c1ad7fd5c49300c5ed2b8903c68cb9281b5 (diff) | |
| download | clang-a393dca7ea5cdd5de3a8c4cb20c83d050df39793.tar.gz | |
[PGO] Move the instrumentation point closer to the value site.
For terminator instructions, the value profiling instrumentation
happens in a basic block other than where the value site resides.
This CR moves the instrumentation point prior to the value site.
Mostly NFC.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@264783 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/Profile')
| -rw-r--r-- | test/Profile/c-indirect-call.c | 5 | ||||
| -rw-r--r-- | test/Profile/cxx-indirect-call.cpp | 21 |
2 files changed, 24 insertions, 2 deletions
diff --git a/test/Profile/c-indirect-call.c b/test/Profile/c-indirect-call.c index ab66c58954..b0ace37267 100644 --- a/test/Profile/c-indirect-call.c +++ b/test/Profile/c-indirect-call.c @@ -1,13 +1,14 @@ -// Check the data structures emitted by instrumentation. +// Check the value profiling instrinsics emitted by instrumentation. + // RUN: %clang_cc1 -triple x86_64-apple-macosx10.9 -main-file-name c-indirect-call.c %s -o - -emit-llvm -fprofile-instrument=clang -mllvm -enable-value-profiling | FileCheck %s void (*foo)(void); int main(void) { // CHECK: [[REG1:%[0-9]+]] = load void ()*, void ()** @foo, align 8 -// CHECK-NEXT: call void [[REG1]]() // CHECK-NEXT: [[REG2:%[0-9]+]] = ptrtoint void ()* [[REG1]] to i64 // CHECK-NEXT: call void @__llvm_profile_instrument_target(i64 [[REG2]], i8* bitcast ({{.*}}* @__profd_main to i8*), i32 0) +// CHECK-NEXT: call void [[REG1]]() foo(); return 0; } diff --git a/test/Profile/cxx-indirect-call.cpp b/test/Profile/cxx-indirect-call.cpp new file mode 100644 index 0000000000..15dc79cece --- /dev/null +++ b/test/Profile/cxx-indirect-call.cpp @@ -0,0 +1,21 @@ +// Check the value profiling instrinsics emitted by instrumentation. + +// RUN: %clangxx %s -o - -emit-llvm -S -fprofile-instr-generate -mllvm -enable-value-profiling -fexceptions -target %itanium_abi_triple | FileCheck %s + +void (*foo) (void); + +int main(int argc, const char *argv[]) { +// CHECK: [[REG1:%[0-9]+]] = load void ()*, void ()** @foo, align 4 +// CHECK-NEXT: [[REG2:%[0-9]+]] = ptrtoint void ()* [[REG1]] to i64 +// CHECK-NEXT: call void @__llvm_profile_instrument_target(i64 [[REG2]], i8* bitcast ({{.*}}* @__profd_main to i8*), i32 0) +// CHECK-NEXT: invoke void [[REG1]]() + try { + foo(); + } catch (int) {} + return 0; +} + +// CHECK: declare void @__llvm_profile_instrument_target(i64, i8*, i32) + + + |