[llvm-commits] [llvm] r108688 - in /llvm/trunk: lib/CodeGen/SelectionDAG/DAGCombiner.cpp test/CodeGen/X86/2010-07-18-sqrt.ll

Owen Anderson resistor at mac.com
Mon Jul 19 01:10:24 PDT 2010


Author: resistor
Date: Mon Jul 19 03:10:24 2010
New Revision: 108688

URL: http://llvm.org/viewvc/llvm-project?rev=108688&view=rev
Log:
Remove r108639 now that it is handled by InstCombine instead.

Removed:
    llvm/trunk/test/CodeGen/X86/2010-07-18-sqrt.ll
Modified:
    llvm/trunk/lib/CodeGen/SelectionDAG/DAGCombiner.cpp

Modified: llvm/trunk/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/SelectionDAG/DAGCombiner.cpp?rev=108688&r1=108687&r2=108688&view=diff
==============================================================================
--- llvm/trunk/lib/CodeGen/SelectionDAG/DAGCombiner.cpp (original)
+++ llvm/trunk/lib/CodeGen/SelectionDAG/DAGCombiner.cpp Mon Jul 19 03:10:24 2010
@@ -4926,19 +4926,6 @@
     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();
 }

Removed: llvm/trunk/test/CodeGen/X86/2010-07-18-sqrt.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/X86/2010-07-18-sqrt.ll?rev=108687&view=auto
==============================================================================
--- llvm/trunk/test/CodeGen/X86/2010-07-18-sqrt.ll (original)
+++ llvm/trunk/test/CodeGen/X86/2010-07-18-sqrt.ll (removed)
@@ -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





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