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| author | Roman Lebedev <lebedev.ri@gmail.com> | 2020-12-17 20:13:03 +0300 |
|---|---|---|
| committer | Roman Lebedev <lebedev.ri@gmail.com> | 2020-12-18 00:37:22 +0300 |
| commit | 2ee724863e9cfe631fd7eb7eb63f8b795d68a388 (patch) | |
| tree | 222f828edd75de45cf4b83ec32dbe486b734fe66 /llvm/lib/Transforms | |
| parent | 164e0847a59995c0e602c9e708dfb2bf41494780 (diff) | |
| download | llvm-2ee724863e9cfe631fd7eb7eb63f8b795d68a388.zip llvm-2ee724863e9cfe631fd7eb7eb63f8b795d68a388.tar.gz llvm-2ee724863e9cfe631fd7eb7eb63f8b795d68a388.tar.bz2 | |
[SimplifyCFG] ConstantFoldTerminator() already knows how to preserve DomTree
... so just ensure that we pass DomTreeUpdater it into it.
Fixes DomTree preservation for a number of tests,
all of which are marked as such so that they do not regress.
Diffstat (limited to 'llvm/lib/Transforms')
| -rw-r--r-- | llvm/lib/Transforms/Utils/SimplifyCFG.cpp | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/llvm/lib/Transforms/Utils/SimplifyCFG.cpp b/llvm/lib/Transforms/Utils/SimplifyCFG.cpp index f39ab25e..9e4650f 100644 --- a/llvm/lib/Transforms/Utils/SimplifyCFG.cpp +++ b/llvm/lib/Transforms/Utils/SimplifyCFG.cpp @@ -6322,7 +6322,8 @@ bool SimplifyCFGOpt::simplifyOnce(BasicBlock *BB) { // Check to see if we can constant propagate this terminator instruction // away... - Changed |= ConstantFoldTerminator(BB, true); + Changed |= ConstantFoldTerminator(BB, /*DeleteDeadConditions=*/true, + /*TLI=*/nullptr, DTU); // Check for and eliminate duplicate PHI nodes in this block. Changed |= EliminateDuplicatePHINodes(BB); |