[llvm-branch-commits] [llvm-branch] r126901 - in /llvm/branches/Apple/Morbo: ./ lib/CodeGen/SelectionDAG/DAGCombiner.cpp test/CodeGen/X86/2011-03-02-DAGCombiner.ll
Stuart Hastings
stuart at apple.com
Wed Mar 2 15:46:50 PST 2011
Author: stuart
Date: Wed Mar 2 17:46:50 2011
New Revision: 126901
URL: http://llvm.org/viewvc/llvm-project?rev=126901&view=rev
Log:
Merge r126864 and test case r126900 into Morbo branch. Radar 9056407.
Added:
llvm/branches/Apple/Morbo/test/CodeGen/X86/2011-03-02-DAGCombiner.ll
- copied unchanged from r126900, llvm/trunk/test/CodeGen/X86/2011-03-02-DAGCombiner.ll
Modified:
llvm/branches/Apple/Morbo/ (props changed)
llvm/branches/Apple/Morbo/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
Propchange: llvm/branches/Apple/Morbo/
------------------------------------------------------------------------------
--- svn:mergeinfo (original)
+++ svn:mergeinfo Wed Mar 2 17:46:50 2011
@@ -1,3 +1,3 @@
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/llvm-gcc-4.2/trunk:104182
Modified: llvm/branches/Apple/Morbo/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/branches/Apple/Morbo/lib/CodeGen/SelectionDAG/DAGCombiner.cpp?rev=126901&r1=126900&r2=126901&view=diff
==============================================================================
--- llvm/branches/Apple/Morbo/lib/CodeGen/SelectionDAG/DAGCombiner.cpp (original)
+++ llvm/branches/Apple/Morbo/lib/CodeGen/SelectionDAG/DAGCombiner.cpp Wed Mar 2 17:46:50 2011
@@ -4714,7 +4714,9 @@
EVT OpVT = N0.getValueType();
// fold (sint_to_fp c1) -> c1fp
- if (N0C && OpVT != MVT::ppcf128)
+ if (N0C && OpVT != MVT::ppcf128 &&
+ // ...but only if the target supports immediate floating-point values
+ (Level == llvm::Unrestricted || TLI.isOperationLegalOrCustom(llvm::ISD::ConstantFP, VT)))
return DAG.getNode(ISD::SINT_TO_FP, N->getDebugLoc(), VT, N0);
// If the input is a legal type, and SINT_TO_FP is not legal on this target,
@@ -4736,7 +4738,9 @@
EVT OpVT = N0.getValueType();
// fold (uint_to_fp c1) -> c1fp
- if (N0C && OpVT != MVT::ppcf128)
+ if (N0C && OpVT != MVT::ppcf128 &&
+ // ...but only if the target supports immediate floating-point values
+ (Level == llvm::Unrestricted || TLI.isOperationLegalOrCustom(llvm::ISD::ConstantFP, VT)))
return DAG.getNode(ISD::UINT_TO_FP, N->getDebugLoc(), VT, N0);
// If the input is a legal type, and UINT_TO_FP is not legal on this target,
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