b0f68791f0
Clang option to set/unset afn fast-math flag. Differential: https://reviews.llvm.org/D106191 Reviewd with: aaron.ballman, erichkeane, and others
15 lines
647 B
C
15 lines
647 B
C
// RUN: %clang_cc1 -fapprox-func %s -emit-llvm -o - | FileCheck --check-prefix=CHECK-AFN %s
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// RUN: %clang_cc1 %s -emit-llvm -o - | FileCheck --check-prefix=CHECK-NO-AFN %s
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extern double exp(double);
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double afn_option_test(double x) {
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return exp(x);
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// CHECK-LABEL: define{{.*}} double @afn_option_test(double %x) #0 {
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// CHECK-AFN: %{{.*}} = call afn double @{{.*}}exp{{.*}}(double %{{.*}})
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// CHECK-AFN: attributes #0 ={{.*}} "approx-func-fp-math"="true" {{.*}}
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// CHECK-NO-AFN: %{{.*}} = call double @{{.*}}exp{{.*}}(double %{{.*}})
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// CHECK-NO-AFN-NOT: attributes #0 ={{.*}} "approx-func-fp-math"="true" {{.*}}
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}
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