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[CGP] Enable extending scope of optimizeMemoryInst

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This patch enables the folding of address computation in
memory instruction in case adress is represented by Phi node.

The inputs of Phi node might be different in base register.

Differential Revision: https://reviews.llvm.org/D36073


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@317665 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Serguei Katkov 2017-11-08 05:02:51 +00:00
parent d550a31777
commit 2c8a33ad12
1 changed files with 1 additions and 1 deletions
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2
lib/CodeGen/CodeGenPrepare.cpp
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@ -190,7 +190,7 @@ EnableTypePromotionMerge("cgp-type-promotion-merge", cl::Hidden,
" the other."), cl::init(true));
static cl::opt<bool> DisableComplexAddrModes(
"disable-complex-addr-modes", cl::Hidden, cl::init(true),
"disable-complex-addr-modes", cl::Hidden, cl::init(false),
cl::desc("Disables combining addressing modes with different parts "
"in optimizeMemoryInst."));