diff options
Diffstat (limited to 'lib/Transforms/Scalar/LoopUnroll.cpp')
| -rw-r--r-- | lib/Transforms/Scalar/LoopUnroll.cpp | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/lib/Transforms/Scalar/LoopUnroll.cpp b/lib/Transforms/Scalar/LoopUnroll.cpp index 2025fb6828..23757cdb2d 100644 --- a/lib/Transforms/Scalar/LoopUnroll.cpp +++ b/lib/Transforms/Scalar/LoopUnroll.cpp @@ -89,6 +89,8 @@ static unsigned ApproximateLoopSize(const Loop *L) { // Ignore instructions only used by the loop terminator. } else if (isa<DbgInfoIntrinsic>(I)) { // Ignore debug instructions + } else if (isa<GetElementPtrInst>(I) && I->hasOneUse()) { + // Ignore GEP as they generally are subsumed into a load or store. } else if (isa<CallInst>(I)) { // Estimate size overhead introduced by call instructions which // is higher than other instructions. Here 3 and 10 are magic |