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authorDan Gohman <gohman@apple.com>2010-08-16 15:39:27 +0000
committerDan Gohman <gohman@apple.com>2010-08-16 15:39:27 +0000
commit4065f609128ea4cdfa575f48b816d1cc64e710e0 (patch)
tree1ba457be22e3f867d27b548a220a0d161e8e735b /lib/Transforms/Scalar/LoopStrengthReduce.cpp
parentaadb5f5adbdb650c5cdc5ece939aaa30af91b3bc (diff)
Put add operands in ScalarEvolution-canonical order, when convenient.
This isn't necessary, because ScalarEvolution sorts them anyway, but it's tidier this way. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111132 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Transforms/Scalar/LoopStrengthReduce.cpp')
-rw-r--r--lib/Transforms/Scalar/LoopStrengthReduce.cpp4
1 files changed, 2 insertions, 2 deletions
diff --git a/lib/Transforms/Scalar/LoopStrengthReduce.cpp b/lib/Transforms/Scalar/LoopStrengthReduce.cpp
index a040e8acc7..95e25dd76c 100644
--- a/lib/Transforms/Scalar/LoopStrengthReduce.cpp
+++ b/lib/Transforms/Scalar/LoopStrengthReduce.cpp
@@ -1601,7 +1601,7 @@ ICmpInst *LSRInstance::OptimizeMax(ICmpInst *Cond, IVStrideUse* &CondUse) {
const SCEV *One = SE.getConstant(BackedgeTakenCount->getType(), 1);
// Add one to the backedge-taken count to get the trip count.
- const SCEV *IterationCount = SE.getAddExpr(BackedgeTakenCount, One);
+ const SCEV *IterationCount = SE.getAddExpr(One, BackedgeTakenCount);
if (IterationCount != SE.getSCEV(Sel)) return Cond;
// Check for a max calculation that matches the pattern. There's no check
@@ -2400,7 +2400,7 @@ void LSRInstance::GenerateConstantOffsets(LSRUse &LU, unsigned LUIdx,
if (isLegalUse(F.AM, LU.MinOffset - *I, LU.MaxOffset - *I,
LU.Kind, LU.AccessTy, TLI)) {
// Add the offset to the base register.
- const SCEV *NewG = SE.getAddExpr(G, SE.getConstant(G->getType(), *I));
+ const SCEV *NewG = SE.getAddExpr(SE.getConstant(G->getType(), *I), G);
// If it cancelled out, drop the base register, otherwise update it.
if (NewG->isZero()) {
std::swap(F.BaseRegs[i], F.BaseRegs.back());