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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 | af21e9550e36e6b8f1e7cce84fe4c75af976cd6b (patch) | |
| tree | 5c246fd7ef79594f251add0fe2f44462e3644021 /llvm/lib/CodeGen/SimpleRegisterCoalescing.cpp | |
| parent | 460e34afeda6256070e19960ceec4408e64216ae (diff) | |
| download | bcm5719-llvm-af21e9550e36e6b8f1e7cce84fe4c75af976cd6b.tar.gz bcm5719-llvm-af21e9550e36e6b8f1e7cce84fe4c75af976cd6b.zip | |
No need to remove dead range from soon-to-be-dead live interval. Its val# may be out of whack.
llvm-svn: 41024
Diffstat (limited to 'llvm/lib/CodeGen/SimpleRegisterCoalescing.cpp')
| -rw-r--r-- | llvm/lib/CodeGen/SimpleRegisterCoalescing.cpp | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/llvm/lib/CodeGen/SimpleRegisterCoalescing.cpp b/llvm/lib/CodeGen/SimpleRegisterCoalescing.cpp index 6870aff8166..e71b9d4c0f8 100644 --- a/llvm/lib/CodeGen/SimpleRegisterCoalescing.cpp +++ b/llvm/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. |
