Remove r108639 now that it is handled by InstCombine instead.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108688 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/CodeGen/SelectionDAG/DAGCombiner.cpp b/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
index 271b2b621d03011364dd45d2cfeae5e8ae47f2b4..e67175246457247b3e06e8509e00efbc4c236152 100644 (file)
--- a/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
+++ b/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
@@ -4926,19 +4926,6 @@ SDValue DAGCombiner::visitFP_ROUND(SDNode *N) {
     return DAG.getNode(ISD::FCOPYSIGN, N->getDebugLoc(), VT,
                        Tmp, N0.getOperand(1));
   }
     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();
 }
 
   return SDValue();
 }

diff --git a/test/CodeGen/X86/2010-07-18-sqrt.ll b/test/CodeGen/X86/2010-07-18-sqrt.ll
deleted file mode 100644 (file)
index f836912..0000000
--- a/test/CodeGen/X86/2010-07-18-sqrt.ll
+++ /dev/null
@@ -1,17 +0,0 @@
-; 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