Test Failure: Transforms/SimplifyCFG/branch-fold-threshold.ll

Test source: git

Log:

Source: /home/nlopes/llvm/llvm/test/Transforms/SimplifyCFG/branch-fold-threshold.ll

----------------------------------------
define i32 @foo(i32 %a, i32 %b, i32 %c, i32 %d, * %input) {
%entry:
  %cmp = icmp sgt i32 %d, 3
  br i1 %cmp, label %cond.end, label %lor.lhs.false

%lor.lhs.false:
  %mul = shl i32 %c, 1
  %add = add nsw i32 %mul, %a
  %cmp1 = icmp slt i32 %add, %b
  br i1 %cmp1, label %cond.false, label %cond.end

%cond.false:
  %0 = load i32, * %input, align 4
  br label %cond.end

%cond.end:
  %cond = phi i32 [ %0, %cond.false ], [ 0, %lor.lhs.false ], [ 0, %entry ]
  ret i32 %cond
}
=>
define i32 @foo(i32 %a, i32 %b, i32 %c, i32 %d, * %input) {
%entry:
  %cmp = icmp sle i32 %d, 3
  %mul = shl i32 %c, 1
  %add = add nsw i32 %mul, %a
  %cmp1 = icmp slt i32 %add, %b
  %or.cond = and i1 %cmp, %cmp1
  br i1 %or.cond, label %cond.false, label %cond.end

%cond.false:
  %0 = load i32, * %input, align 4
  br label %cond.end

%cond.end:
  %cond = phi i32 [ %0, %cond.false ], [ 0, %entry ]
  ret i32 %cond
}
Transformation doesn't verify!
ERROR: Source is more defined than target

Example:
i32 %a = undef
i32 %b = #x00000000 (0)
i32 %c = poison
i32 %d = #x00000004 (4)
* %input = poison

Source:
i1 %cmp = #x1 (1)
i32 %mul = poison
i32 %add = poison
i1 %cmp1 = poison
i32 %0 = poison
i32 %cond = #x00000000 (0)

SOURCE MEMORY STATE
===================
NON-LOCAL BLOCKS:
Block 0 >	size: 0	align: 64	alloc type: 0
Block 1 >	align: 2	alloc type: 0

Target:
i1 %cmp = #x0 (0)
i32 %mul = poison
i32 %add = poison
i1 %cmp1 = poison
i1 %or.cond = poison
i32 %0 = poison
i32 %cond = #x00000000 (0)



------------------- SMT STATS -------------------
Num queries: 2
Num invalid: 0
Num skips:   0
Num trivial: 0 (0.0%)
Num timeout: 0 (0.0%)
Num errors:  0 (0.0%)
Num SAT:     2 (100.0%)
Num UNSAT:   0 (0.0%)

stderr:

+ : 'RUN: at line 1'
+ /home/nlopes/alive2/scripts/opt-alive.sh /home/nlopes/llvm/llvm/test/Transforms/SimplifyCFG/branch-fold-threshold.ll -simplifycfg -S
+ /home/nlopes/llvm/build/bin/FileCheck /home/nlopes/llvm/llvm/test/Transforms/SimplifyCFG/branch-fold-threshold.ll --check-prefix=NORMAL
+ : 'RUN: at line 2'
+ /home/nlopes/alive2/scripts/opt-alive.sh /home/nlopes/llvm/llvm/test/Transforms/SimplifyCFG/branch-fold-threshold.ll -simplifycfg -S -bonus-inst-threshold=2
+ /home/nlopes/llvm/build/bin/FileCheck /home/nlopes/llvm/llvm/test/Transforms/SimplifyCFG/branch-fold-threshold.ll --check-prefix=AGGRESSIVE

Alive2: Transform doesn't verify; aborting!
FileCheck error: '<stdin>' is empty.
FileCheck command line:  /home/nlopes/llvm/build/bin/FileCheck /home/nlopes/llvm/llvm/test/Transforms/SimplifyCFG/branch-fold-threshold.ll --check-prefix=AGGRESSIVE

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