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| author | Evan Cheng <evan.cheng@apple.com> | 2007-08-12 01:26:19 +0000 |
|---|---|---|
| committer | Evan Cheng <evan.cheng@apple.com> | 2007-08-12 01:26:19 +0000 |
| commit | ccb36a4f1bcafdf0de8514e396a5d2acf29d3947 (patch) | |
| tree | 9be73dc4164345561f7f253c89eca2b62e7bec2f /lib/CodeGen/SimpleRegisterCoalescing.cpp | |
| parent | 001f7534e0311508cc93831a595785bb177f8a18 (diff) | |
No need to remove dead range from soon-to-be-dead live interval. Its val# may be out of whack.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41024 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/SimpleRegisterCoalescing.cpp')
| -rw-r--r-- | lib/CodeGen/SimpleRegisterCoalescing.cpp | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/lib/CodeGen/SimpleRegisterCoalescing.cpp b/lib/CodeGen/SimpleRegisterCoalescing.cpp index 6870aff816..e71b9d4c0f 100644 --- a/lib/CodeGen/SimpleRegisterCoalescing.cpp +++ b/lib/CodeGen/SimpleRegisterCoalescing.cpp @@ -316,9 +316,9 @@ bool SimpleRegisterCoalescing::JoinCopy(MachineInstr *CopyMI, } if (isShorten || isDead) { - // Shorten the live interval. - LiveInterval &LiveInInt = (repSrcReg == DstInt.reg) ? DstInt : SrcInt; - LiveInInt.removeRange(RemoveStart, RemoveEnd); + // Shorten the destination live interval. + if (repSrcReg == DstInt.reg) + DstInt.removeRange(RemoveStart, RemoveEnd); } } else { // Coalescing failed. |