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19255e0c70
X86DAGToDAGISel::PreprocessISelDAG(), isel is moving load inside callseq_start / callseq_end so it can be folded into a call. This can create a cycle in the DAG when the call is glued to a copytoreg. We have been lucky this hasn't caused too many issues because the pre-ra scheduler has special handling of call sequences. However, it has caused a crash in a specific tailcall case. rdar://12393897 llvm-svn: 165072 |
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ARM | ||
CellSPU | ||
CPP | ||
Generic | ||
Hexagon | ||
MBlaze | ||
Mips | ||
MSP430 | ||
NVPTX | ||
PowerPC | ||
SPARC | ||
Thumb | ||
Thumb2 | ||
X86 | ||
XCore |