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// 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
// 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
int baz(int);
int g;
void foo(int n) {
for (int i = 0; i < n; i++)
g += baz(i);
}
// Checks that loop unroll and icp are invoked by normal compile, but not thinlto compile.
// SAMPLEPGO: Running pass: PGOIndirectCallPromotion on [module]
// SAMPLEPGO: Running pass: LoopUnrollPass on bar
// SAMPLEPGO-OLDPM: PGOIndirectCallPromotion
// SAMPLEPGO-OLDPM: Unroll loops
// SAMPLEPGO-OLDPM: Unroll loops
// THINLTO-NOT: Running pass: PGOIndirectCallPromotion on [module]
// THINLTO-NOT: Running pass: LoopUnrollPass on bar
// THINLTO-OLDPM-NOT: PGOIndirectCallPromotion
// The first Unroll loop pass is the createSimpleLoopUnrollPass that unrolls and peels
// loops with small constant trip counts. The second one is skipped by ThinLTO.
// THINLTO-OLDPM: Unroll loops
// THINLTO-OLDPM-NOT: Unroll loops
// Checks if hot call is inlined by normal compile, but not inlined by
// thinlto compile.
// 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);
}
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