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authorUlrich Weigand <ulrich.weigand@de.ibm.com>2012-10-30 12:33:18 +0000
committerUlrich Weigand <ulrich.weigand@de.ibm.com>2012-10-30 12:33:18 +0000
commit3467b9fd5d0c4ebc726e96c2af96610e2d6915f9 (patch)
tree3653709ccd95683899af08ceb7a2d2dad5a6f245 /lib/Transforms/InstCombine/InstCombineCompares.cpp
parent04d7d13d301df66f6c232e41611145c062183bf3 (diff)
Enable some additional constant folding for PPCDoubleDouble.
This fixes Clang :: CodeGen/complex-builtints.c on PowerPC. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167013 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Transforms/InstCombine/InstCombineCompares.cpp')
-rw-r--r--lib/Transforms/InstCombine/InstCombineCompares.cpp6
1 files changed, 2 insertions, 4 deletions
diff --git a/lib/Transforms/InstCombine/InstCombineCompares.cpp b/lib/Transforms/InstCombine/InstCombineCompares.cpp
index 055c3b1514..fcd805b039 100644
--- a/lib/Transforms/InstCombine/InstCombineCompares.cpp
+++ b/lib/Transforms/InstCombine/InstCombineCompares.cpp
@@ -2897,10 +2897,6 @@ Instruction *InstCombiner::visitFCmpInst(FCmpInst &I) {
if (!RHSF)
break;
- // We can't convert a PPC double double.
- if (RHSF->getType()->isPPC_FP128Ty())
- break;
-
const fltSemantics *Sem;
// FIXME: This shouldn't be here.
if (LHSExt->getSrcTy()->isHalfTy())
@@ -2913,6 +2909,8 @@ Instruction *InstCombiner::visitFCmpInst(FCmpInst &I) {
Sem = &APFloat::IEEEquad;
else if (LHSExt->getSrcTy()->isX86_FP80Ty())
Sem = &APFloat::x87DoubleExtended;
+ else if (LHSExt->getSrcTy()->isPPC_FP128Ty())
+ Sem = &APFloat::PPCDoubleDouble;
else
break;