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// Test @ldc.attributes.llvmFastMathFlag UDA
// RUN: %ldc -c -output-ll -of=%t.ll %s && FileCheck %s --check-prefix LLVM < %t.ll
// RUN: not %ldc -c -w -d-version=WARNING %s 2>&1 | FileCheck %s --check-prefix WARNING
import ldc.attributes;
version(WARNING)
{
// WARNING: attr_llvmFMF.d(11): Warning: ignoring unrecognized flag parameter `unrecognized` for `@ldc.attributes.llvmFastMathFlag`
@llvmFastMathFlag("unrecognized")
void foo() {}
}
// LLVM-LABEL: define{{.*}} @notfast
// LLVM-SAME: #[[ATTR_NOTFAST:[0-9]+]]
extern (C) double notfast(double a, double b)
{
@llvmFastMathFlag("fast")
double nested_fast(double a, double b)
{
return a * b;
}
// LLVM: fmul double
return a * b;
}
// LLVM-LABEL: define{{.*}} @{{.*}}nested_fast
// LLVM: fmul fast double
// LLVM-LABEL: define{{.*}} @{{.*}}nnan_arcp
@llvmFastMathFlag("nnan")
@llvmFastMathFlag("arcp")
double nnan_arcp(double a, double b)
{
// LLVM: fmul nnan arcp double
return a * b;
}
// LLVM-LABEL: define{{.*}} @{{.*}}ninf_nsz
@llvmFastMathFlag("ninf")
@llvmFastMathFlag("nsz")
double ninf_nsz(double a, double b)
{
// LLVM: fmul ninf nsz double
return a * b;
}
// LLVM-LABEL: define{{.*}} @{{.*}}cleared
@llvmFastMathFlag("ninf")
@llvmFastMathFlag("clear")
double cleared(double a, double b)
{
// LLVM: fmul double
return a * b;
}
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