1; RUN: opt -passes="default<O0>" -S < %s | FileCheck -check-prefix=INSTRUMENT %s 2; RUN: opt -passes="default<O1>" -S < %s | FileCheck -check-prefix=INSTRUMENT %s 3; RUN: opt -passes="thinlto-pre-link<O0>" -S < %s | FileCheck -check-prefix=INSTRUMENT %s 4; RUN: opt -passes="thinlto-pre-link<O2>" -S < %s | FileCheck -check-prefix=INSTRUMENT %s 5; RUN: opt -passes="thinlto<O0>" -S < %s | FileCheck -check-prefix=NOINSTRUMENT %s 6; RUN: opt -passes="thinlto<O2>" -S < %s | FileCheck -check-prefix=NOINSTRUMENT %s 7; RUN: opt -passes="lto<O0>" -S < %s | FileCheck -check-prefix=NOINSTRUMENT %s 8; RUN: opt -passes="lto<O2>" -S < %s | FileCheck -check-prefix=NOINSTRUMENT %s 9 10; Pre-inline instrumentation should be inserted, but not by LTO/ThinLTO passes. 11 12target triple = "x86_64-unknown-linux" 13 14define void @leaf_function() #0 { 15entry: 16 ret void 17; INSTRUMENT-LABEL: entry: 18; INSTRUMENT-NEXT: %0 ={{.*}} call ptr @llvm.returnaddress(i32 0) 19; INSTRUMENT-NEXT: {{.* call void @__cyg_profile_func_enter\(ptr( nonnull)? @leaf_function, ptr %0\)}} 20; NOINSTRUMENT-NOT: {{.*}} call void @__cyg_profile_func_enter 21; INSTRUMENT: {{.*}} call void @__cyg_profile_func_exit 22; INSTRUMENT-NEXT: ret void 23; NOINSTRUMENT-NOT: {{.*}} call void @__cyg_profile_func_exit 24; NOINSTRUMENT-LABEL: entry: 25; NOINSTRUMENT-NEXT: ret void 26} 27 28 29define void @root_function() #1 { 30entry: 31 call void @leaf_function() 32 ret void 33; INSTRUMENT-LABEL: entry: 34; INSTRUMENT-NEXT: %0 ={{.*}} call ptr @llvm.returnaddress(i32 0) 35; INSTRUMENT-NEXT: {{.*}} call void @__cyg_profile_func_enter(ptr{{( nonnull)?}} @root_function, ptr %0) 36; INSTRUMENT: {{.*}} call void @__cyg_profile_func_enter 37; INSTRUMENT: {{.*}} call void @__cyg_profile_func_exit 38; INSTRUMENT: {{.*}} call void @__cyg_profile_func_exit 39; INSTRUMENT-NEXT: ret void 40; NOINSTRUMENT-LABEL: entry: 41; NOINSTRUMENT: ret void 42; NOINSTRUMENT-NOT: {{.*}} call void @__cyg_profile_func_exit 43} 44 45attributes #0 = { alwaysinline "instrument-function-entry"="__cyg_profile_func_enter" "instrument-function-exit"="__cyg_profile_func_exit" } 46attributes #1 = { "instrument-function-entry"="__cyg_profile_func_enter" "instrument-function-exit"="__cyg_profile_func_exit" } 47