summaryrefslogtreecommitdiff
path: root/lib/CodeGen/BranchFolding.cpp
diff options
context:
space:
mode:
authorEkaterina Romanova <katya_romanova@playstation.sony.com>2014-03-26 22:15:28 +0000
committerEkaterina Romanova <katya_romanova@playstation.sony.com>2014-03-26 22:15:28 +0000
commit899a605fc19df8f6b80f2e5e55512d04aee10c5a (patch)
tree78c6dcfbe3a54a976a44fb404b3caadb5fcbe7ec /lib/CodeGen/BranchFolding.cpp
parent3d7d0bc71a858bdd251a84f7a58a379894afe118 (diff)
downloadllvm-899a605fc19df8f6b80f2e5e55512d04aee10c5a.tar.gz
llvm-899a605fc19df8f6b80f2e5e55512d04aee10c5a.tar.bz2
llvm-899a605fc19df8f6b80f2e5e55512d04aee10c5a.tar.xz
This is a fix for PR# 19051. I noticed code gen differences due to code motion when running tests with and without the debug info at O2. The problem is in branch folding. A loop wanted to skip the debug info, but actually it didn't do so.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@204865 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/BranchFolding.cpp')
-rw-r--r--lib/CodeGen/BranchFolding.cpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/CodeGen/BranchFolding.cpp b/lib/CodeGen/BranchFolding.cpp
index fe8baeabc4..bf6d56ceac 100644
--- a/lib/CodeGen/BranchFolding.cpp
+++ b/lib/CodeGen/BranchFolding.cpp
@@ -1515,7 +1515,7 @@ MachineBasicBlock::iterator findHoistingInsertPosAndDeps(MachineBasicBlock *MBB,
// branch from condition setting instruction.
MachineBasicBlock::iterator PI = Loc;
--PI;
- while (PI != MBB->begin() && Loc->isDebugValue())
+ while (PI != MBB->begin() && PI->isDebugValue())
--PI;
bool IsDef = false;