1 // 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 2 // 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 3 // 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 4 // 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 5 // Checks if hot call is inlined by normal compile, but not inlined by 6 // thinlto compile. 7 8 int baz(int); 9 int g; 10 11 void foo(int n) { 12 for (int i = 0; i < n; i++) 13 g += baz(i); 14 } 15 16 // SAMPLEPGO-LABEL: define {{(dso_local )?}}void @bar 17 // THINLTO-LABEL: define {{(dso_local )?}}void @bar 18 // SAMPLEPGO-NOT: call{{.*}}foo 19 // THINLTO: call{{.*}}foo 20 void bar(int n) { 21 for (int i = 0; i < n; i++) 22 foo(i); 23 } 24 25 // Checks if loop unroll is invoked by normal compile, but not thinlto compile. 26 // SAMPLEPGO-LABEL: define {{(dso_local )?}}void @unroll 27 // THINLTO-LABEL: define {{(dso_local )?}}void @unroll 28 // SAMPLEPGO: call{{.*}}baz 29 // SAMPLEPGO: call{{.*}}baz 30 // THINLTO: call{{.*}}baz 31 // THINLTO-NOT: call{{.*}}baz 32 void unroll() { 33 for (int i = 0; i < 2; i++) 34 baz(i); 35 } 36 37 // Checks that icp is not invoked for ThinLTO, but invoked for normal samplepgo. 38 // SAMPLEPGO-LABEL: define {{(dso_local )?}}void @icp 39 // THINLTO-LABEL: define {{(dso_local )?}}void @icp 40 // SAMPLEPGO: if.true.direct_targ 41 // FIXME: the following condition needs to be reversed once 42 // LTOPreLinkDefaultPipeline is customized. 43 // THINLTO-NOT: if.true.direct_targ 44 void icp(void (*p)()) { 45 p(); 46 } 47