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authorPeter Collingbourne <peter@pcc.me.uk>2012-05-20 01:32:09 +0000
committerPeter Collingbourne <peter@pcc.me.uk>2012-05-20 01:32:09 +0000
commitfcaf5fa89cafe66d2659b711e7c190f3851f4ac5 (patch)
tree8264fab4fcabc537e109f599772ea2af567f8564 /lib/Transforms/Scalar/LoopUnswitch.cpp
parenta991ea5f7f2df661dc1ad7bd230d3a401dfb6411 (diff)
Do not pass an invalid domtree to SimplifyInstruction from
LoopUnswitch. Fixes PR12887. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157140 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Transforms/Scalar/LoopUnswitch.cpp')
-rw-r--r--lib/Transforms/Scalar/LoopUnswitch.cpp4
1 files changed, 2 insertions, 2 deletions
diff --git a/lib/Transforms/Scalar/LoopUnswitch.cpp b/lib/Transforms/Scalar/LoopUnswitch.cpp
index 930980f528..58f7739888 100644
--- a/lib/Transforms/Scalar/LoopUnswitch.cpp
+++ b/lib/Transforms/Scalar/LoopUnswitch.cpp
@@ -1214,8 +1214,8 @@ void LoopUnswitch::SimplifyCode(std::vector<Instruction*> &Worklist, Loop *L) {
// See if instruction simplification can hack this up. This is common for
// things like "select false, X, Y" after unswitching made the condition be
- // 'false'.
- if (Value *V = SimplifyInstruction(I, 0, 0, DT))
+ // 'false'. TODO: update the domtree properly so we can pass it here.
+ if (Value *V = SimplifyInstruction(I))
if (LI->replacementPreservesLCSSAForm(I, V)) {
ReplaceUsesOfWith(I, V, Worklist, L, LPM);
continue;