Test Failure: Transforms/CallSiteSplitting/callsite-instructions-before-call.ll

Test source: git

Log:

Source: <stdin>

----------------------------------------
define * @test_split_branch_phi(* %ptrarg, i32 %i) {
%Header:
  %tobool = icmp ne * %ptrarg, null
  br i1 %tobool, label %TBB, label %CallSite

%TBB:
  %arrayidx = gep inbounds * %ptrarg, 4 x i64 42
  %0 = load i32, * %arrayidx, align 4
  %tobool1 = icmp ne i32 %0, 0
  br i1 %tobool1, label %CallSite, label %End

%CallSite:
  %somepointer = gep * %ptrarg, 4 x i64 18
  call void @bar(* %ptrarg, i32 %i)
  br label %End

%End:
  %somepointerphi = phi * [ %somepointer, %CallSite ], [ null, %TBB ]
  ret * %somepointerphi
}
=>
define * @test_split_branch_phi(* %ptrarg, i32 %i) {
%Header:
  %tobool = icmp ne * %ptrarg, null
  br i1 %tobool, label %TBB, label %Header.split

%Header.split:
  %somepointer1 = gep * %ptrarg, 4 x i64 18
  call void @bar(* null, i32 %i)
  br label %CallSite

%TBB:
  %arrayidx = gep inbounds * %ptrarg, 4 x i64 42
  %0 = load i32, * %arrayidx, align 4
  %tobool1 = icmp ne i32 %0, 0
  br i1 %tobool1, label %TBB.split, label %End

%TBB.split:
  %somepointer2 = gep * %ptrarg, 4 x i64 18
  call void @bar(nonnull * %ptrarg, i32 %i)
  br label %CallSite

%CallSite:
  %1 = phi * [ %somepointer1, %Header.split ], [ %somepointer2, %TBB.split ]
  br label %End

%End:
  %somepointerphi = phi * [ %1, %CallSite ], [ null, %TBB ]
  ret * %somepointerphi
}
Transformation doesn't verify!
ERROR: Source is more defined than target

Example:
* %ptrarg = pointer(non-local, block_id=1, offset=84)
i32 %i = poison

Source:
i1 %tobool = #x0 (0)
* %arrayidx = poison
i32 %0 = poison
i1 %tobool1 = poison
* %somepointer = pointer(non-local, block_id=1, offset=156)
* %somepointerphi = pointer(non-local, block_id=1, offset=156)

SOURCE MEMORY STATE
===================
NON-LOCAL BLOCKS:
Block 0 >	size: 0	align: 1	alloc type: 0	address: 0
Block 1 >	size: 0	align: 33554432	alloc type: 0	address: 4012
Block 2 >	align: 1	alloc type: 0

Target:
i1 %tobool = #x0 (0)
* %somepointer1 = pointer(non-local, block_id=1, offset=156)
* %arrayidx = poison
i32 %0 = poison
i1 %tobool1 = poison
* %somepointer2 = pointer(non-local, block_id=1, offset=156)
* %1 = pointer(non-local, block_id=1, offset=156)
* %somepointerphi = pointer(non-local, block_id=1, offset=156)



------------------- SMT STATS -------------------
Num queries: 5
Num invalid: 0
Num skips:   0
Num trivial: 9 (64.3%)
Num timeout: 0 (0.0%)
Num errors:  0 (0.0%)
Num SAT:     5 (100.0%)
Num UNSAT:   0 (0.0%)
Alive2: Transform doesn't verify; aborting!

stderr:

+ : 'RUN: at line 1'
+ /home/nlopes/alive2/build/opt-alive.sh -S -callsite-splitting
+ /home/nlopes/llvm/build/bin/FileCheck --check-prefix=CHECK /home/nlopes/llvm/llvm/test/Transforms/CallSiteSplitting/callsite-instructions-before-call.ll

FileCheck error: '<stdin>' is empty.
FileCheck command line:  /home/nlopes/llvm/build/bin/FileCheck --check-prefix=CHECK /home/nlopes/llvm/llvm/test/Transforms/CallSiteSplitting/callsite-instructions-before-call.ll

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