return DAG.getNode(ISD::FCOPYSIGN, N->getDebugLoc(), VT,
Tmp, N0.getOperand(1));
}
-
- // (f32 fp_round (f64 sqrt (f64 fp_extend (f32)))) -> (f32 sqrt)
- EVT VT0 = N0.getValueType();
- if (VT == MVT::f32 &&
- N0.getOpcode() == ISD::FSQRT && VT0 == MVT::f64) {
- SDValue N1 = N0.getOperand(0);
- EVT VT1 = N1.getValueType();
- if (N1.getOpcode() == ISD::FP_EXTEND && VT1 == MVT::f64 &&
- N1.getOperand(0).getValueType() == MVT::f32) {
- return DAG.getNode(ISD::FSQRT, N->getDebugLoc(), MVT::f32,
- N1.getOperand(0), N->getOperand(1));
- }
- }
return SDValue();
}
+++ /dev/null
-; RUN: llc < %s -march=x86 -mattr=+sse2 | FileCheck %s
-target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64"
-target triple = "x86_64-apple-darwin10.0.0"
-
-define float @foo(float %x) nounwind readnone ssp {
-entry:
-; CHECK-NOT: cvtss2sd
-; CHECK-NOT: sqrtsd
-; CHECK-NOT: cvtsd2ss
-; CHECK: sqrtss
- %conv = fpext float %x to double ; <double> [#uses=1]
- %call = tail call double @sqrt(double %conv) nounwind ; <double> [#uses=1]
- %conv1 = fptrunc double %call to float ; <float> [#uses=1]
- ret float %conv1
-}
-
-declare double @sqrt(double) readnone