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| author | Matt Arsenault <Matthew.Arsenault@amd.com> | 2016-07-15 22:13:16 +0000 |
|---|---|---|
| committer | Matt Arsenault <Matthew.Arsenault@amd.com> | 2016-07-15 22:13:16 +0000 |
| commit | 93be6e8c0ada7f77b93db16c81b2160f82780ae6 (patch) | |
| tree | 5c422117c761fc90f08c37cd9f52d4968666c39d /llvm/lib/Transforms/Scalar/StructurizeCFG.cpp | |
| parent | 408e300933f2c5e8aaffb2539e47b89a2112b81b (diff) | |
| download | llvm-93be6e8c0ada7f77b93db16c81b2160f82780ae6.zip llvm-93be6e8c0ada7f77b93db16c81b2160f82780ae6.tar.gz llvm-93be6e8c0ada7f77b93db16c81b2160f82780ae6.tar.bz2 | |
StructurizeCFG: Fix inverting constantexpr conditions
llvm-svn: 275626
Diffstat (limited to 'llvm/lib/Transforms/Scalar/StructurizeCFG.cpp')
| -rw-r--r-- | llvm/lib/Transforms/Scalar/StructurizeCFG.cpp | 10 |
1 files changed, 2 insertions, 8 deletions
diff --git a/llvm/lib/Transforms/Scalar/StructurizeCFG.cpp b/llvm/lib/Transforms/Scalar/StructurizeCFG.cpp index be9b6e4..e9ac39b 100644 --- a/llvm/lib/Transforms/Scalar/StructurizeCFG.cpp +++ b/llvm/lib/Transforms/Scalar/StructurizeCFG.cpp @@ -377,14 +377,8 @@ void StructurizeCFG::analyzeLoops(RegionNode *N) { /// \brief Invert the given condition Value *StructurizeCFG::invert(Value *Condition) { // First: Check if it's a constant - if (Condition == BoolTrue) - return BoolFalse; - - if (Condition == BoolFalse) - return BoolTrue; - - if (Condition == BoolUndef) - return BoolUndef; + if (Constant *C = dyn_cast<Constant>(Condition)) + return ConstantExpr::getNot(C); // Second: If the condition is already inverted, return the original value if (match(Condition, m_Not(m_Value(Condition)))) |