https://llvm.org/bugs/show_bug.cgi?id=27462
Bug ID: 27462
Summary: SROA changes the value name when nothing else has
changed
Product: libraries
Version: trunk
Hardware: PC
OS: Linux
Status: NEW
Severity: normal
Priority: P
Component: Scalar Optimizations
Assignee: unassignedb...@nondot.org
Reporter: nwilso...@gmail.com
CC: llvm-bugs@lists.llvm.org
Classification: Unclassified
I run opt with the attached IR, bugpoint-reduced-simplified.ll, and the flags
-basicaa -sroa -S outputting the IR to a file, output1.ll.
I then use the output1.ll as input to opt again with the same flags (-basicaa
-sroa -S) and redirect the output to output2.ll.
The only difference is the value names:
$ diff output1.ll output2.ll
1c1
< ; ModuleID = 'bugpoint-reduced-simplified.ll'
---
> ; ModuleID = 'output1.ll'
369,370c369,370
< %.0..sroa_cast = bitcast %struct.Vdbe.70.195.1240* %1 to i8*
< call void @llvm.lifetime.end(i64 488, i8* %.0..sroa_cast)
---
> %.0..0..sroa_cast = bitcast %struct.Vdbe.70.195.1240* %1 to i8*
> call void @llvm.lifetime.end(i64 488, i8* %.0..0..sroa_cast)
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