diff options
| author | Dan Gohman <gohman@apple.com> | 2010-02-15 10:28:37 +0000 |
|---|---|---|
| committer | Dan Gohman <gohman@apple.com> | 2010-02-15 10:28:37 +0000 |
| commit | 50922bbe74cf7a22ecb1849014b7c5d9e3580a20 (patch) | |
| tree | d47d84821074f613798c507431f4012565ac0b73 /lib/Analysis/ScalarEvolution.cpp | |
| parent | da272d1a704bd564272e88cbdbcf14712e3abbdc (diff) | |
When testing whether a given SCEV depends on a temporary symbolic
name, test whether the SCEV itself is that temporary symbolic name,
in addition to checking whether the symbolic name appears as a
possibly-indirect operand.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96216 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Analysis/ScalarEvolution.cpp')
| -rw-r--r-- | lib/Analysis/ScalarEvolution.cpp | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/Analysis/ScalarEvolution.cpp b/lib/Analysis/ScalarEvolution.cpp index 12be58e8b3..1ed9d071b2 100644 --- a/lib/Analysis/ScalarEvolution.cpp +++ b/lib/Analysis/ScalarEvolution.cpp @@ -2566,7 +2566,7 @@ ScalarEvolution::ForgetSymbolicName(Instruction *I, const SCEV *SymName) { if (It != Scalars.end()) { // Short-circuit the def-use traversal if the symbolic name // ceases to appear in expressions. - if (!It->second->hasOperand(SymName)) + if (It->second != SymName && !It->second->hasOperand(SymName)) continue; // SCEVUnknown for a PHI either means that it has an unrecognized |