1 // RUN: %clang_cc1 -fexperimental-new-pass-manager -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 2 // RUN: %clang_cc1 -fexperimental-new-pass-manager -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 3 4 int baz(int); 5 int g; 6 7 void foo(int n) { 8 for (int i = 0; i < n; i++) 9 g += baz(i); 10 } 11 12 // Checks that loop unroll and icp are invoked by normal compile, but not thinlto compile. 13 14 // SAMPLEPGO: Running pass: PGOIndirectCallPromotion on [module] 15 // SAMPLEPGO: Running pass: LoopUnrollPass on bar 16 17 // SAMPLEPGO-OLDPM: PGOIndirectCallPromotion 18 // SAMPLEPGO-OLDPM: Unroll loops 19 // SAMPLEPGO-OLDPM: Unroll loops 20 21 // THINLTO-NOT: Running pass: PGOIndirectCallPromotion on [module] 22 // THINLTO-NOT: Running pass: LoopUnrollPass on bar 23 24 // THINLTO-OLDPM-NOT: PGOIndirectCallPromotion 25 // The first Unroll loop pass is the createSimpleLoopUnrollPass that unrolls and peels 26 // loops with small constant trip counts. The second one is skipped by ThinLTO. 27 // THINLTO-OLDPM: Unroll loops 28 // THINLTO-OLDPM-NOT: Unroll loops 29 30 31 // Checks if hot call is inlined by normal compile, but not inlined by 32 // thinlto compile. 33 // SAMPLEPGO-LABEL: define {{(dso_local )?}}void @bar 34 // THINLTO-LABEL: define {{(dso_local )?}}void @bar 35 // SAMPLEPGO-NOT: call{{.*}}foo 36 // THINLTO: call{{.*}}foo 37 void bar(int n) { 38 for (int i = 0; i < n; i++) 39 foo(i); 40 } 41