https://llvm.org/bugs/show_bug.cgi?id=24633
Bug ID: 24633
Summary: MI Serialization - parsing fails for undef load access
Product: libraries
Version: trunk
Hardware: PC
OS: Linux
Status: NEW
Severity: normal
Priority: P
Component: Common Code Generator Code
Assignee: unassignedb...@nondot.org
Reporter: hfin...@anl.gov
CC: llvm-bugs@lists.llvm.org
Classification: Unclassified
$ cat miruv.ll
target datalayout = "E-m:e-i64:64-n32:64"
target triple = "powerpc64-unknown-linux-gnu"
; Function Attrs: nounwind
define i8* @mm_update_next_owner() #0 {
entry:
%0 = load i8*, i8** undef, align 8
ret i8* %0
}
attributes #0 = { nounwind "target-cpu"="pwr7" }
$ llc -o /dev/null -stop-after=if-converter miruv.ll > miruv.mir
$ llc -o - miruv.mir -start-after=if-converter
error: miruv.mir:40:48: expected a constant value
%x3 = LD 0, undef %x3 :: (load 8 from `i8** undef`)
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