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Diffstat (limited to 'lib/Target/R600/R600ControlFlowFinalizer.cpp')
-rw-r--r--lib/Target/R600/R600ControlFlowFinalizer.cpp11
1 files changed, 9 insertions, 2 deletions
diff --git a/lib/Target/R600/R600ControlFlowFinalizer.cpp b/lib/Target/R600/R600ControlFlowFinalizer.cpp
index ffe3414413..7d3a0f52de 100644
--- a/lib/Target/R600/R600ControlFlowFinalizer.cpp
+++ b/lib/Target/R600/R600ControlFlowFinalizer.cpp
@@ -116,8 +116,15 @@ 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))