Test Failure: Transforms/SeparateConstOffsetFromGEP/RISCV/split-gep.ll

Test source: git

Log:

Source: <stdin>
-- 1. ModuleToFunctionPassAdaptor
-- 1. PassManager<Function> : Skipping NOP
-- 2. SeparateConstOffsetFromGEPPass

----------------------------------------
define i64 @test1(ptr %array, i64 %i, i64 %j) {
entry:
  %add = add nsw i64 %i, 5
  %gep = gep inbounds ptr %array, 8 x i64 %add
  store i64 %j, ptr %gep, align 8
  %add2 = add nsw i64 %i, 6
  %gep2 = gep inbounds ptr %array, 8 x i64 %add2
  store i64 %j, ptr %gep2, align 8
  %add3 = add nsw i64 %i, 35
  %gep3 = gep inbounds ptr %array, 8 x i64 %add3
  store i64 %add, ptr %gep3, align 8
  ret i64 undef
}
Transformation seems to be correct! (syntactically equal)

-- 3. SeparateConstOffsetFromGEPPass

----------------------------------------
define i64 @test1(ptr %array, i64 %i, i64 %j) {
entry:
  %add = add nsw i64 %i, 5
  %gep = gep inbounds ptr %array, 8 x i64 %add
  store i64 %j, ptr %gep, align 8
  %add2 = add nsw i64 %i, 6
  %gep2 = gep inbounds ptr %array, 8 x i64 %add2
  store i64 %j, ptr %gep2, align 8
  %add3 = add nsw i64 %i, 35
  %gep3 = gep inbounds ptr %array, 8 x i64 %add3
  store i64 %add, ptr %gep3, align 8
  ret i64 undef
}
=>
define i64 @test1(ptr %array, i64 %i, i64 %j) {
entry:
  %add = add nsw i64 %i, 5
  %#0 = gep ptr %array, 8 x i64 %i
  %gep4 = gep inbounds ptr %#0, 1 x i64 40
  store i64 %j, ptr %gep4, align 8
  %#1 = gep ptr %array, 8 x i64 %i
  %gep26 = gep inbounds ptr %#1, 1 x i64 48
  store i64 %j, ptr %gep26, align 8
  %#2 = gep ptr %array, 8 x i64 %i
  %gep38 = gep inbounds ptr %#2, 1 x i64 280
  store i64 %add, ptr %gep38, align 8
  ret i64 undef
}
Transformation doesn't verify! (unsound)
ERROR: Source is more defined than target

Example:
ptr %array = pointer(non-local, block_id=1, offset=0) / Address=#x0000000000000008
i64 %i = #xfffffffffffffffb (18446744073709551611, -5)
i64 %j = poison

Source:
i64 %add = #x0000000000000000 (0)
ptr %gep = pointer(non-local, block_id=1, offset=0) / Address=#x0000000000000008
i64 %add2 = #x0000000000000001 (1)
ptr %gep2 = pointer(non-local, block_id=1, offset=8) / Address=#x0000000000000010
i64 %add3 = #x000000000000001e (30)
ptr %gep3 = pointer(non-local, block_id=1, offset=240) / Address=#x00000000000000f8

SOURCE MEMORY STATE
===================
NON-LOCAL BLOCKS:
Block 0 >	size: 0	align: 8	alloc type: 0	alive: false	address: 0
Block 1 >	size: 248	align: 1	alloc type: 0	alive: true	address: 8

Target:
i64 %add = #x0000000000000000 (0)
ptr %#0 = pointer(non-local, block_id=1, offset=-40) / Address=#xffffffffffffffe0
ptr %gep4 = poison
void = UB triggered!


Pass: SeparateConstOffsetFromGEPPass
Command line: '/home/nlopes/llvm/build/bin/opt' '-load=/home/nlopes/alive2/build/tv/tv.so' '-load-pass-plugin=/home/nlopes/alive2/build/tv/tv.so' '-tv-exit-on-error' '-mtriple=riscv64-unknown-elf' '-passes=separate-const-offset-from-gep,early-cse' '-S' '-tv-smt-to=20000' '-tv-report-dir=/home/nlopes/alive2/build/logs' '-tv-smt-stats'
Wrote bitcode to: "/home/nlopes/alive2/build/logs/in_fzYkcLOm_xhYF.bc"


------------------- SMT STATS -------------------
Num queries: 30
Num invalid: 0
Num skips:   0
Num trivial: 10 (25.0%)
Num timeout: 3 (10.0%)
Num errors:  0 (0.0%)
Num SAT:     19 (63.3%)
Num UNSAT:   8 (26.7%)
Alive2: Transform doesn't verify; aborting!

stderr:

RUN: at line 2: /home/nlopes/alive2/build/opt-alive.sh < /bitbucket/nlopes/llvm/llvm/test/Transforms/SeparateConstOffsetFromGEP/RISCV/split-gep.ll -mtriple=riscv64-unknown-elf -passes='separate-const-offset-from-gep,early-cse'        -S | /bitbucket/nlopes/llvm/build/bin/FileCheck /bitbucket/nlopes/llvm/llvm/test/Transforms/SeparateConstOffsetFromGEP/RISCV/split-gep.ll
+ /home/nlopes/alive2/build/opt-alive.sh -mtriple=riscv64-unknown-elf -passes=separate-const-offset-from-gep,early-cse -S
+ /bitbucket/nlopes/llvm/build/bin/FileCheck /bitbucket/nlopes/llvm/llvm/test/Transforms/SeparateConstOffsetFromGEP/RISCV/split-gep.ll

FileCheck error: '<stdin>' is empty.
FileCheck command line:  /bitbucket/nlopes/llvm/build/bin/FileCheck /bitbucket/nlopes/llvm/llvm/test/Transforms/SeparateConstOffsetFromGEP/RISCV/split-gep.ll

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