1 // RUN: %clang_cc1 -mllvm -debug-pass=Structure -O2 -fno-experimental-new-pass-manager -fprofile-sample-use=%S/Inputs/pgo-sample-thinlto-summary.prof %s -emit-llvm -o - 2>&1 | FileCheck %s -check-prefix=SAMPLEPGO-OLDPM 2 // RUN: %clang_cc1 -mllvm -debug-pass=Structure -O2 -fno-experimental-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-OLDPM 3 // RUN: %clang_cc1 -fdebug-pass-manager -O2 -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 -fdebug-pass-manager -O2 -fprofile-sample-use=%S/Inputs/pgo-sample-thinlto-summary.prof %s -emit-llvm -flto=thin -o - 2>&1 | FileCheck %s -check-prefix=THINLTO 5 6 int baz(int); 7 int g; 8 9 void foo(int n) { 10 for (int i = 0; i < n; i++) 11 g += baz(i); 12 } 13 14 // Checks that loop unroll and icp are invoked by normal compile, but not thinlto compile. 15 16 // SAMPLEPGO: Running pass: PGOIndirectCallPromotion on [module] 17 // SAMPLEPGO: Running pass: LoopUnrollPass on bar 18 19 // SAMPLEPGO-OLDPM: PGOIndirectCallPromotion 20 // SAMPLEPGO-OLDPM: Unroll loops 21 // SAMPLEPGO-OLDPM: Unroll loops 22 23 // THINLTO-NOT: Running pass: PGOIndirectCallPromotion on [module] 24 // THINLTO-NOT: Running pass: LoopUnrollPass on bar 25 26 // THINLTO-OLDPM-NOT: PGOIndirectCallPromotion 27 // The first Unroll loop pass is the createSimpleLoopUnrollPass that unrolls and peels 28 // loops with small constant trip counts. The second one is skipped by ThinLTO. 29 // THINLTO-OLDPM: Unroll loops 30 // THINLTO-OLDPM-NOT: Unroll loops 31 32 33 // Checks if hot call is inlined by normal compile, but not inlined by 34 // thinlto compile. 35 // SAMPLEPGO-LABEL: define {{(dso_local )?}}void @bar 36 // THINLTO-LABEL: define {{(dso_local )?}}void @bar 37 // SAMPLEPGO-NOT: call{{.*}}foo 38 // THINLTO: call{{.*}}foo 39 void bar(int n) { 40 for (int i = 0; i < n; i++) 41 foo(i); 42 }