http://llvm.org/bugs/show_bug.cgi?id=9979
Summary: VerifyCoalescing failure on
MultiSource/Benchmarks/btSoftBody.cpp 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]
I've attached a reduction. Here's the error:
*** Bad machine code: Value live out of predecessor doesn't have PHIKill ***
- function: _ZN15btSoftColliders12CollideVF_SS7ProcessEPK10btDbvtNodeS3_
Valno #2 live out of BB#1@192S doesn't have PHIKill, but Valno #1 is PHIDef and
defined at the beginning of BB#3@272L in %vreg20 =
[96d,240d:2)[240d,272L:0)[272L,464d:1)[464d,496d:3) 0@240d-phikill
1@272L-phidef 2@96d 3@464d
LLVM ERROR: Found 1 machine code errors.
All of the remaining verifier failures on the non-External test-suite are due
to missing phikill flags, so I suspect they are all instances of this same bug.
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