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| author | Tom Stellard <thomas.stellard@amd.com> | 2013-05-23 18:26:42 +0000 |
|---|---|---|
| committer | Tom Stellard <thomas.stellard@amd.com> | 2013-05-23 18:26:42 +0000 |
| commit | 1b086cbcb8888dd00c024f3e4d0d3ebb9aae8dce (patch) | |
| tree | cc3075fdc462e4dc572c58c91ec72b521701b32e /llvm/lib/Target/R600/R600ControlFlowFinalizer.cpp | |
| parent | b7e7a389291839aae07c1946618ba47302b23f09 (diff) | |
| download | llvm-1b086cbcb8888dd00c024f3e4d0d3ebb9aae8dce.zip llvm-1b086cbcb8888dd00c024f3e4d0d3ebb9aae8dce.tar.gz llvm-1b086cbcb8888dd00c024f3e4d0d3ebb9aae8dce.tar.bz2 | |
R600: Fix R600ControlFlowFinalizer not considering VTX_READ 128 bit dst reg
Patch by: Vincent Lejeune
https://bugs.freedesktop.org/show_bug.cgi?id=64877
NOTE: This is a candidate for the 3.3 branch.
llvm-svn: 182600
Diffstat (limited to 'llvm/lib/Target/R600/R600ControlFlowFinalizer.cpp')
| -rw-r--r-- | llvm/lib/Target/R600/R600ControlFlowFinalizer.cpp | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/llvm/lib/Target/R600/R600ControlFlowFinalizer.cpp b/llvm/lib/Target/R600/R600ControlFlowFinalizer.cpp index d447f08..832c375 100644 --- a/llvm/lib/Target/R600/R600ControlFlowFinalizer.cpp +++ b/llvm/lib/Target/R600/R600ControlFlowFinalizer.cpp @@ -117,8 +117,15 @@ private: const MachineOperand &MO = *I; if (!MO.isReg()) continue; - if (MO.isDef()) - DstMI = MO.getReg(); + if (MO.isDef()) { + unsigned Reg = MO.getReg(); + if (AMDGPU::R600_Reg128RegClass.contains(Reg)) + DstMI = Reg; + else + DstMI = TRI.getMatchingSuperReg(Reg, + TRI.getSubRegFromChannel(TRI.getHWRegChan(Reg)), + &AMDGPU::R600_Reg128RegClass); + } if (MO.isUse()) { unsigned Reg = MO.getReg(); if (AMDGPU::R600_Reg128RegClass.contains(Reg)) |