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authorOwen Anderson <resistor@mac.com>2010-07-19 08:10:24 +0000
committerOwen Anderson <resistor@mac.com>2010-07-19 08:10:24 +0000
commit54026c0f1b10fc6335f2a090c12627e5f7126641 (patch)
tree1ecfe49fb5decd22c8fcae0031f4f9586b6d6373
parentd90290127b48f1135547956c6131883d905a71b6 (diff)
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
-rw-r--r--lib/CodeGen/SelectionDAG/DAGCombiner.cpp13
-rw-r--r--test/CodeGen/X86/2010-07-18-sqrt.ll17
2 files changed, 0 insertions, 30 deletions
diff --git a/lib/CodeGen/SelectionDAG/DAGCombiner.cpp b/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
index 271b2b621d..e671752464 100644
--- 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));
}
-
- // (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();
}
diff --git a/test/CodeGen/X86/2010-07-18-sqrt.ll b/test/CodeGen/X86/2010-07-18-sqrt.ll
deleted file mode 100644
index f8369124ac..0000000000
--- 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