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