http://llvm.org/bugs/show_bug.cgi?id=8812
Summary: Verifier complains about missing kill flags on
subregisters
Product: libraries
Version: trunk
Platform: Macintosh
OS/Version: All
Status: NEW
Severity: normal
Priority: P
Component: Common Code Generator Code
AssignedTo: [email protected]
ReportedBy: [email protected]
CC: [email protected]
If I run the verifier after LiveIntervals (at the top of the coalescer) I get
the following error on CodeGen/ARM/2009-11-01-NeonMoves.ll:
*** Bad machine code: Live range ends without kill flag ***
- function: bar
- basic block: entry 0x102848798 (BB#0) [0L;240L)
- instruction: 140L %reg16397:dsub_1<def> = COPY %reg16397:dsub_0;
QPR:%reg16397
- operand 1: %reg16397:dsub_0
Live range: %reg16397,0.000000e+00 = [132d,140d:1)[140d,164d:0) 0...@140d
1...@132d
LLVM ERROR: Found 1 machine code errors.
However, I don't know if the bug here is in the verifier or the input. Do
subregisters need kill flags?
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