1 // RUN: %clang_cc1 -triple x86_64-apple-macosx10.11.0 -x c %s -o - -emit-llvm -fprofile-instrument=clang | FileCheck %s
2
3 // PR32019: Clang can lower some ternary operator expressions to select
4 // instructions. Make sure we only increment the profile counter for the
5 // condition when the condition evaluates to true.
6 // CHECK-LABEL: define i32 @f1
f1(int x)7 int f1(int x) {
8 // CHECK: [[TOBOOL:%.*]] = icmp ne i32 %{{.*}}, 0
9 // CHECK-NEXT: [[STEP:%.*]] = zext i1 [[TOBOOL]] to i64
10 // CHECK-NEXT: [[COUNTER:%.*]] = load i64, i64* getelementptr inbounds ([2 x i64], [2 x i64]* @__profc_f1, i64 0, i64 1)
11 // CHECK-NEXT: add i64 [[COUNTER]], [[STEP]]
12 // CHECK: [[COND:%.*]] = select i1 [[TOBOOL]], i32 0, i32 1
13 return x ? 0 : 1;
14 // CHECK: ret i32 [[COND]]
15 }
16