http://llvm.org/bugs/show_bug.cgi?id=16794
Bug ID: 16794
Summary: mem2reg hits assert with short function
Product: new-bugs
Version: trunk
Hardware: PC
OS: All
Status: NEW
Severity: normal
Priority: P
Component: new bugs
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected]
Classification: Unclassified
Created attachment 10985
--> http://llvm.org/bugs/attachment.cgi?id=10985&action=edit
test case
With top of tree, if I run "opt -mem2reg bugpoint-reduced-simplified.ll" with
the attached, I get a crash:
Assertion failed: (isa<X>(Val) && "cast<Ty>() argument of incompatible type!"),
function cast, file /Users/mpharr/llvm-dev-src/include/llvm/Support/Casting.h,
line 239.
[...]
0. Program arguments: opt -mem2reg bugpoint-reduced-simplified.ll
1. Running pass 'Function Pass Manager' on module
'bugpoint-reduced-simplified.ll'.
2. Running pass 'Promote Memory to Register' on function '@f_f'
[1] 74604 illegal hardware instruction opt -mem2reg
bugpoint-reduced-simplified.ll
According to git bisect, this was introduced in Bill W's r187618.
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