| // Test clang diagnositic handler works in IR file compilation. |
| |
| // REQUIRES: x86-registered-target |
| |
| // RUN: llvm-profdata merge -o %t1.profdata %S/Inputs/thinlto_expect1.proftext |
| // RUN: %clang -O2 -fexperimental-new-pass-manager -flto=thin -g -fprofile-use=%t1.profdata -c -o %t1.bo %s |
| // RUN: llvm-lto -thinlto -o %t %t1.bo |
| // RUN: %clang -cc1 -O2 -fexperimental-new-pass-manager -x ir %t1.bo -fthinlto-index=%t.thinlto.bc -emit-obj -Rpass-analysis=info 2>&1 | FileCheck %s -check-prefix=CHECK-REMARK |
| // RUN: llvm-profdata merge -o %t2.profdata %S/Inputs/thinlto_expect2.proftext |
| // RUN: %clang -cc1 -O2 -fexperimental-new-pass-manager -x ir %t1.bo -fthinlto-index=%t.thinlto.bc -fprofile-instrument-use-path=%t2.profdata -emit-obj -Wmisexpect 2>&1 | FileCheck %s -check-prefix=CHECK-WARNING |
| // RUN: %clang -cc1 -O2 -fexperimental-new-pass-manager -x ir %t1.bo -fthinlto-index=%t.thinlto.bc -fprofile-instrument-use-path=%t2.profdata -emit-obj 2>&1 | FileCheck %s -allow-empty -check-prefix=CHECK-NOWARNING |
| |
| int sum; |
| __attribute__((noinline)) void bar() { |
| sum = 1234; |
| } |
| |
| __attribute__((noinline)) void foo(int m) { |
| if (__builtin_expect(m > 9, 1)) |
| bar(); |
| } |
| // CHECK-REMARK: remark: {{.*}}.c: |
| // CHECK-WARNING: warning: Potential performance regression from use of __builtin_expect(): Annotation was correct on {{.*}}.c:{{[0-9]*}}:{{[0-9]*}}: 50.00% (12 / 24) of profiled executions. |
| // CHECK-NOWARNING-NOT: warning: {{.*}}.c:{{[0-9]*}}:26: 50.00% (12 / 24) |
