16 lines · c
1// RUN: %clang_cc1 -triple x86_64-apple-macosx10.11.0 -x c %s -o - -emit-llvm -fprofile-instrument=clang | FileCheck %s2 3// PR32019: Clang can lower some ternary operator expressions to select4// instructions. Make sure we only increment the profile counter for the5// condition when the condition evaluates to true.6// CHECK-LABEL: define{{.*}} i32 @f17int f1(int x) {8 // CHECK: [[TOBOOL:%.*]] = icmp ne i32 %{{.*}}, 09 // CHECK-NEXT: [[STEP:%.*]] = zext i1 [[TOBOOL]] to i6410 // CHECK-NEXT: [[COUNTER:%.*]] = load i64, ptr getelementptr inbounds ([2 x i64], ptr @__profc_f1, i32 0, i32 1)11 // CHECK-NEXT: add i64 [[COUNTER]], [[STEP]]12 // CHECK: [[COND:%.*]] = select i1 [[TOBOOL]], i32 0, i32 113 return x ? 0 : 1;14// CHECK: ret i32 [[COND]]15}16