Test Failure: Transforms/InstCombine/malloc-free-delete-dbginvar.ll

Test source: git

Log:

Source: <stdin>

----------------------------------------
define void @test12(* %foo) {
%entry:
  %tobool = icmp eq * %foo, null
  br i1 %tobool, label %if.end, label %if.then

%if.then:
  %bitcast = bitcast * %foo to *
  free * %bitcast
  br label %if.end

%if.end:
  ret void
}
=>
define void @test12(* %foo) {
%entry:
  %tobool = icmp eq * %foo, null
  %bitcast = bitcast * %foo to *
  free * %bitcast
  br i1 %tobool, label %if.end, label %if.then

%if.then:
  br label %if.end

%if.end:
  ret void
}
Transformation doesn't verify!
ERROR: Source is more defined than target

Example:
* %foo = pointer(non-local, block_id=1, offset=-4)

Source:
i1 %tobool = #x1 (1)
* %bitcast = pointer(non-local, block_id=1, offset=-4)

SOURCE MEMORY STATE
===================
NON-LOCAL BLOCKS:
Block 0 >	size: 0	align: 1	alloc type: 0	address: 0
Block 1 >	size: 8	align: 4	alloc type: 0	address: 4

Target:
i1 %tobool = #x1 (1)
* %bitcast = pointer(non-local, block_id=1, offset=-4)



------------------- SMT STATS -------------------
Num queries: 2
Num invalid: 0
Num skips:   0
Num trivial: 5 (71.4%)
Num timeout: 0 (0.0%)
Num errors:  0 (0.0%)
Num SAT:     2 (100.0%)
Num UNSAT:   0 (0.0%)
Alive2: Transform doesn't verify; aborting!

stderr:

+ : 'RUN: at line 4'
+ /home/nlopes/alive2/build/opt-alive.sh -instcombine -S

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