mingw64's headers implement fabs by calling __builtin_fabs, so using the
library call results in an infinite loop. If the backend legalizes
@llvm.fabs as a call to fabs later, things should work out, as the crt
provides a definition.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@221206
91177308-0d34-0410-b5e6-
96231b3b80d8
return RValue::get(Result);
}
+ case Builtin::BI__builtin_fabs:
+ case Builtin::BI__builtin_fabsf:
+ case Builtin::BI__builtin_fabsl: {
+ Value *Arg1 = EmitScalarExpr(E->getArg(0));
+ Value *Result = EmitFAbs(*this, Arg1);
+ return RValue::get(Result);
+ }
case Builtin::BI__builtin_fmod:
case Builtin::BI__builtin_fmodf:
case Builtin::BI__builtin_fmodl: {
resld = __builtin_fmodl(LD,LD);
// CHECK: frem x86_fp80
+
+ resf = __builtin_fabsf(F);
+ resd = __builtin_fabs(D);
+ resld = __builtin_fabsl(LD);
+ // CHECK: call float @llvm.fabs.f32(float
+ // CHECK: call double @llvm.fabs.f64(double
+ // CHECK: call x86_fp80 @llvm.fabs.f80(x86_fp80
}
// CHECK-LABEL: define void @test_builtin_longjmp