Test Failure: Transforms/SimpleLoopUnswitch/trivial-unswitch-freeze-individual-conditions.ll

Test source: git

Log:

Source: /home/nuno/llvm/llvm/test/Transforms/SimpleLoopUnswitch/trivial-unswitch-freeze-individual-conditions.ll

----------------------------------------
define i32 @need_freeze_of_individual_or_conditions1(i1 %cond1, i1 %cond2, i1 %cond3, i1 %cond4) {
%entry:
  br label %loop.header

%loop.header:
  %or = or i1 %cond2, %cond3
  %and1 = and i1 %or, %cond1
  %and2 = select i1 %and1, i1 %cond4, i1 0
  br i1 %and2, label %loop.latch, label %exit

%loop.latch:
  call void @some_func()
  br label %loop.header

%exit:
  ret i32 0
}
=>
define i32 @need_freeze_of_individual_or_conditions1(i1 %cond1, i1 %cond2, i1 %cond3, i1 %cond4) {
%entry:
  %cond4.fr = freeze i1 %cond4
  %cond1.fr = freeze i1 %cond1
  %0 = and i1 %cond4.fr, %cond1.fr
  br i1 %0, label %entry.split, label %exit.split

%entry.split:
  %cond2.fr = freeze i1 %cond2
  %cond3.fr = freeze i1 %cond3
  %1 = and i1 %cond2.fr, %cond3.fr
  br i1 %1, label %entry.split.split, label %exit.split1

%entry.split.split:
  br label %loop.header

%loop.header:
  %or = or i1 1, 1
  %and1 = and i1 %or, 1
  %and2 = select i1 %and1, i1 1, i1 0
  br i1 %and2, label %loop.latch, label %exit

%loop.latch:
  call void @some_func()
  br label %loop.header

%exit:
  br label %exit.split1

%exit.split1:
  br label %exit.split

%exit.split:
  ret i32 0
}
Transformation doesn't verify!
ERROR: Source and target don't have the same return domain

Example:
i1 %cond1 = #x1 (1)
i1 %cond2 = #x0 (0)
i1 %cond3 = #x1 (1)
i1 %cond4 = #x1 (1)

Source:
  >> Jump to %loop.header
i1 %or = #x1 (1)
i1 %and1 = #x1 (1)
i1 %and2 = #x1 (1)
  >> Jump to %loop.latch
void = UB triggered!

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

Target:
i1 %cond4.fr = #x1 (1)
i1 %cond1.fr = #x1 (1)
i1 %0 = #x1 (1)
  >> Jump to %entry.split
i1 %cond2.fr = #x0 (0)
i1 %cond3.fr = #x1 (1)
i1 %1 = #x0 (0)
  >> Jump to %exit.split1
  >> Jump to %exit.split



------------------- SMT STATS -------------------
Num queries: 5
Num invalid: 0
Num skips:   0
Num trivial: 13 (72.2%)
Num timeout: 0 (0.0%)
Num errors:  0 (0.0%)
Num SAT:     4 (80.0%)
Num UNSAT:   1 (20.0%)
Alive2: Transform doesn't verify; aborting!

stderr:

+ : 'RUN: at line 2'
+ /home/nuno/llvm/build/bin/FileCheck /home/nuno/llvm/llvm/test/Transforms/SimpleLoopUnswitch/trivial-unswitch-freeze-individual-conditions.ll
+ /home/nuno/alive2/build/opt-alive.sh '-passes=loop(simple-loop-unswitch)' -S /home/nuno/llvm/llvm/test/Transforms/SimpleLoopUnswitch/trivial-unswitch-freeze-individual-conditions.ll

FileCheck error: '<stdin>' is empty.
FileCheck command line:  /home/nuno/llvm/build/bin/FileCheck /home/nuno/llvm/llvm/test/Transforms/SimpleLoopUnswitch/trivial-unswitch-freeze-individual-conditions.ll

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