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| author | Dan Gohman <gohman@apple.com> | 2009-03-31 01:38:29 +0000 |
|---|---|---|
| committer | Dan Gohman <gohman@apple.com> | 2009-03-31 01:38:29 +0000 |
| commit | 07c26ee87e4060f487867f1e283801bd8ced62d1 (patch) | |
| tree | fb58ab88f79f2c7c31a024aec0b58bd22f2d06da /lib/CodeGen/SelectionDAG | |
| parent | 4d9523246999531db52312c6eef6af705a5a692e (diff) | |
| download | external_llvm-07c26ee87e4060f487867f1e283801bd8ced62d1.zip external_llvm-07c26ee87e4060f487867f1e283801bd8ced62d1.tar.gz external_llvm-07c26ee87e4060f487867f1e283801bd8ced62d1.tar.bz2 | |
Fix live-out reg logic to not insert over-aggressive AssertZExt
instructions. This fixes lua.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68083 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/SelectionDAG')
| -rw-r--r-- | lib/CodeGen/SelectionDAG/SelectionDAGBuild.cpp | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/lib/CodeGen/SelectionDAG/SelectionDAGBuild.cpp b/lib/CodeGen/SelectionDAG/SelectionDAGBuild.cpp index 4bf9050..ba59906 100644 --- a/lib/CodeGen/SelectionDAG/SelectionDAGBuild.cpp +++ b/lib/CodeGen/SelectionDAG/SelectionDAGBuild.cpp @@ -4587,15 +4587,15 @@ SDValue RegsForValue::getCopyFromRegs(SelectionDAG &DAG, DebugLoc dl, isSExt = false, FromVT = MVT::i1; // ASSERT ZEXT 1 else if (NumSignBits > RegSize-8) isSExt = true, FromVT = MVT::i8; // ASSERT SEXT 8 - else if (NumZeroBits >= RegSize-9) + else if (NumZeroBits >= RegSize-8) isSExt = false, FromVT = MVT::i8; // ASSERT ZEXT 8 else if (NumSignBits > RegSize-16) isSExt = true, FromVT = MVT::i16; // ASSERT SEXT 16 - else if (NumZeroBits >= RegSize-17) + else if (NumZeroBits >= RegSize-16) isSExt = false, FromVT = MVT::i16; // ASSERT ZEXT 16 else if (NumSignBits > RegSize-32) isSExt = true, FromVT = MVT::i32; // ASSERT SEXT 32 - else if (NumZeroBits >= RegSize-33) + else if (NumZeroBits >= RegSize-32) isSExt = false, FromVT = MVT::i32; // ASSERT ZEXT 32 if (FromVT != MVT::Other) { |