| Issue |
56076
|
| Summary |
[llvm-diff] False alarm on PHI node of identical modules
|
| Labels |
new issue
|
| Assignees |
|
| Reporter |
Nuullll
|
Reproducer:
```bash
$ llvm-diff a.ll a.ll
in function foo:
in block %exit:
> %res = phi double [ 0.000000e+00, %entry ], [ %0, %else ]
< %res = phi double [ 0.000000e+00, %entry ], [ %0, %else ]
```
```llvm
; a.ll
define double @foo() {
entry:
br i1 true, label %else, label %exit
else:
%0 = extractelement <2 x double> zeroinitializer, i64 0
br label %exit
exit:
%res = phi double [ 0.000000e+00, %entry ], [ %0, %else ]
ret double 0.000000e+00
}
```
llvm version: head c5990d353e144bb490ce98be2e9d116fede978ca
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