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authorDavid Majnemer <david.majnemer@gmail.com>2015-02-16 09:37:35 +0000
committerDavid Majnemer <david.majnemer@gmail.com>2015-02-16 09:37:35 +0000
commit8b576a579a94501a9fb8ec3869d383999b8031f9 (patch)
tree60e4bc6b20e03c4844d796970f5b6cff335e9eb1 /llvm/lib/IR/Instructions.cpp
parent7ccc34dbc163f93fb36c59c961b355c97f4455ea (diff)
downloadbcm5719-llvm-8b576a579a94501a9fb8ec3869d383999b8031f9.tar.gz
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IR: SrcTy == DstTy doesn't imply that a cast is valid
Cast validity depends on the cast's kind, not just its types. llvm-svn: 229366
Diffstat (limited to 'llvm/lib/IR/Instructions.cpp')
-rw-r--r--llvm/lib/IR/Instructions.cpp4
1 files changed, 0 insertions, 4 deletions
diff --git a/llvm/lib/IR/Instructions.cpp b/llvm/lib/IR/Instructions.cpp
index 8c4eeafdf84..7136923ecb4 100644
--- a/llvm/lib/IR/Instructions.cpp
+++ b/llvm/lib/IR/Instructions.cpp
@@ -2864,10 +2864,6 @@ CastInst::castIsValid(Instruction::CastOps op, Value *S, Type *DstTy) {
// Check for type sanity on the arguments
Type *SrcTy = S->getType();
- // If this is a cast to the same type then it's trivially true.
- if (SrcTy == DstTy)
- return true;
-
if (!SrcTy->isFirstClassType() || !DstTy->isFirstClassType() ||
SrcTy->isAggregateType() || DstTy->isAggregateType())
return false;
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