| // RUN: %clang_cc1 -O2 -fprofile-sample-use=%S/Inputs/pgo-sample-thinlto-summary.prof %s -emit-llvm -o - 2>&1 | FileCheck %s -check-prefix=SAMPLEPGO |
| // RUN: %clang_cc1 -O2 -fprofile-sample-use=%S/Inputs/pgo-sample-thinlto-summary.prof %s -emit-llvm -flto=thin -o - 2>&1 | FileCheck %s -check-prefix=THINLTO |
| // RUN: %clang_cc1 -O2 -fexperimental-new-pass-manager -fprofile-sample-use=%S/Inputs/pgo-sample-thinlto-summary.prof %s -emit-llvm -o - 2>&1 | FileCheck %s -check-prefix=SAMPLEPGO |
| // RUN: %clang_cc1 -O2 -fexperimental-new-pass-manager -fprofile-sample-use=%S/Inputs/pgo-sample-thinlto-summary.prof %s -emit-llvm -flto=thin -o - 2>&1 | FileCheck %s -check-prefix=THINLTO |
| // Checks if hot call is inlined by normal compile, but not inlined by |
| // thinlto compile. |
| |
| int baz(int); |
| int g; |
| |
| void foo(int n) { |
| for (int i = 0; i < n; i++) |
| g += baz(i); |
| } |
| |
| // SAMPLEPGO-LABEL: define {{(dso_local )?}}void @bar |
| // THINLTO-LABEL: define {{(dso_local )?}}void @bar |
| // SAMPLEPGO-NOT: call{{.*}}foo |
| // THINLTO: call{{.*}}foo |
| void bar(int n) { |
| for (int i = 0; i < n; i++) |
| foo(i); |
| } |
| |
| // Checks if loop unroll is invoked by normal compile, but not thinlto compile. |
| // SAMPLEPGO-LABEL: define {{(dso_local )?}}void @unroll |
| // THINLTO-LABEL: define {{(dso_local )?}}void @unroll |
| // SAMPLEPGO: call{{.*}}baz |
| // SAMPLEPGO: call{{.*}}baz |
| // THINLTO: call{{.*}}baz |
| // THINLTO-NOT: call{{.*}}baz |
| void unroll() { |
| for (int i = 0; i < 2; i++) |
| baz(i); |
| } |
| |
| // Checks that icp is not invoked for ThinLTO, but invoked for normal samplepgo. |
| // SAMPLEPGO-LABEL: define {{(dso_local )?}}void @icp |
| // THINLTO-LABEL: define {{(dso_local )?}}void @icp |
| // SAMPLEPGO: if.true.direct_targ |
| // FIXME: the following condition needs to be reversed once |
| // LTOPreLinkDefaultPipeline is customized. |
| // THINLTO-NOT: if.true.direct_targ |
| void icp(void (*p)()) { |
| p(); |
| } |
