http://llvm.org/bugs/show_bug.cgi?id=9962
Summary: MultiSource/Applications/JM/ldecod fails with
-verify-coalescing on x86_64
Product: libraries
Version: trunk
Platform: PC
OS/Version: All
Status: NEW
Severity: normal
Priority: P
Component: Common Code Generator Code
AssignedTo: [email protected]
ReportedBy: [email protected]
CC: [email protected]
Created an attachment (id=6621)
--> (http://llvm.org/bugs/attachment.cgi?id=6621)
Reduction
block.c from MultiSource/Applications/JM/ldecod fails with -verify-coalescing
on x86_64. I've attached a reduction. This is the failure:
*** Bad machine code: Illegal virtual register for instruction ***
- function: intrapred_luma_16x16
- basic block: for.end428 0x7fbca9834508 (BB#10) [560L;672L)
- instruction: 576L %vreg14<def> = LEA64_32r %vreg24<kill>, 4, %vreg24, 32,
%noreg; GR32:%vreg14,%vreg24,%vreg24
- operand 3: %vreg24
Expected a GR32_NOSP register, but got a GR32 register
It looks like a bug in cross-class coalescing.
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