Test Failure: Transforms/SimplifyCFG/basictest.ll

Test source: git

Log:

Source: <stdin>

----------------------------------------
define void @test1() {
%0:
  br label %1

%1:
  ret void
}
=>
define void @test1() {
%0:
  ret void
}
Transformation seems to be correct!


----------------------------------------
define void @test2() {
%0:
  ret void
}
=>
define void @test2() {
%0:
  ret void
}
Transformation seems to be correct!


----------------------------------------
define void @test3(i1 %T) {
%0:
  br i1 %T, label %1, label %1

%1:
  ret void
}
=>
define void @test3(i1 %T) {
%0:
  ret void
}
Transformation seems to be correct!


----------------------------------------
define void @test4_fold(i32 %a, i32 %b) {
%0:
  %cmp1 = icmp eq i32 %a, %b
  br i1 %cmp1, label %taken, label %untaken

%taken:
  %cmp2 = icmp ugt i32 %a, 0
  br i1 %cmp2, label %else, label %untaken

%else:
  call void @foo()
  ret void

%untaken:
  ret void
}
=>
define void @test4_fold(i32 %a, i32 %b) {
%0:
  %cmp1 = icmp eq i32 %a, %b
  %cmp2 = icmp ugt i32 %a, 0
  %or.cond = and i1 %cmp1, %cmp2
  br i1 %or.cond, label %else, label %untaken

%untaken:
  ret void

%else:
  call void @foo()
  ret void
}
Transformation doesn't verify!
ERROR: Source is more defined than target

Example:
i32 %a = #x00010000 (65536)
i32 %b = undef

Source:
i1 %cmp1 = any
i1 %cmp2 = #x1 (1)

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

Target:
i1 %cmp1 = #x1 (1)
i1 %cmp2 = #x1 (1)
i1 %or.cond = #x1 (1)



------------------- SMT STATS -------------------
Num queries: 6
Num invalid: 0
Num skips:   0
Num trivial: 15 (71.4%)
Num timeout: 0 (0.0%)
Num errors:  0 (0.0%)
Num SAT:     5 (83.3%)
Num UNSAT:   1 (16.7%)

stderr:

+ : 'RUN: at line 3'
+ /home/nlopes/alive2/scripts/opt-alive.sh -simplifycfg -S
+ /home/nlopes/llvm/build/bin/FileCheck /home/nlopes/llvm/llvm/test/Transforms/SimplifyCFG/basictest.ll

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/basictest.ll

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