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