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| author | James Y Knight <jyknight@google.com> | 2020-04-16 22:14:21 -0400 |
|---|---|---|
| committer | James Y Knight <jyknight@google.com> | 2020-04-23 19:36:44 -0400 |
| commit | 248a5db3f2e5ff8e4c37b9578bfda8c4d97eaedc (patch) | |
| tree | 66c66fabf93aefdf03e16f367bfefd33d71aadcf /llvm/lib/Analysis/ValueTracking.cpp | |
| parent | 48e9ef4320a315ba1f2358db7295d53917a14f4b (diff) | |
| download | llvm-248a5db3f2e5ff8e4c37b9578bfda8c4d97eaedc.zip llvm-248a5db3f2e5ff8e4c37b9578bfda8c4d97eaedc.tar.gz llvm-248a5db3f2e5ff8e4c37b9578bfda8c4d97eaedc.tar.bz2 | |
Change callbr to only define its output SSA variable on the normal
path, not the indirect targets.
Fixes: PR45565.
Differential Revision: https://reviews.llvm.org/D78341
Diffstat (limited to 'llvm/lib/Analysis/ValueTracking.cpp')
| -rw-r--r-- | llvm/lib/Analysis/ValueTracking.cpp | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/llvm/lib/Analysis/ValueTracking.cpp b/llvm/lib/Analysis/ValueTracking.cpp index b31a11a..ddce360 100644 --- a/llvm/lib/Analysis/ValueTracking.cpp +++ b/llvm/lib/Analysis/ValueTracking.cpp @@ -4641,7 +4641,7 @@ bool llvm::canCreatePoison(const Instruction *I) { case Instruction::CallBr: case Instruction::Invoke: // Function calls can return a poison value even if args are non-poison - // values. CallBr returns poison when jumping to indirect labels. + // values. return true; case Instruction::InsertElement: case Instruction::ExtractElement: { |