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| author | Dan Gohman <gohman@apple.com> | 2008-12-19 00:45:13 +0000 |
|---|---|---|
| committer | Dan Gohman <gohman@apple.com> | 2008-12-19 00:45:13 +0000 |
| commit | 5b200d8a133a07af1f7802025bd5a58a1cdd544d (patch) | |
| tree | 029252c8d94ba373daef186f2fa08d10f4e04b93 /include/llvm/CodeGen/RegisterScavenging.h | |
| parent | 9755faab609d65ccd06220625b50dc9d792be3c4 (diff) | |
| download | llvm-5b200d8a133a07af1f7802025bd5a58a1cdd544d.tar.gz llvm-5b200d8a133a07af1f7802025bd5a58a1cdd544d.tar.bz2 llvm-5b200d8a133a07af1f7802025bd5a58a1cdd544d.tar.xz | |
Fix RegScavenger::forward() to work on basic blocks containing exactly
one instruction.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61236 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'include/llvm/CodeGen/RegisterScavenging.h')
| -rw-r--r-- | include/llvm/CodeGen/RegisterScavenging.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/llvm/CodeGen/RegisterScavenging.h b/include/llvm/CodeGen/RegisterScavenging.h index 40dd66c06a..05e9e55e23 100644 --- a/include/llvm/CodeGen/RegisterScavenging.h +++ b/include/llvm/CodeGen/RegisterScavenging.h @@ -98,6 +98,7 @@ public: /// forward / backward - Move the internal MBB iterator and update register /// states until it has processed the specific iterator. void forward(MachineBasicBlock::iterator I) { + if (!Tracking && MBB->begin() != I) forward(); while (MBBI != I) forward(); } void backward(MachineBasicBlock::iterator I) { |