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

Test source: git

Log:

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

----------------------------------------
@struct_array = global 16384 bytes, align 16

define ptr @struct(i32 %i) {
entry:
  %add = add nsw i32 %i, 5
  %idxprom = sext i32 %add to i64
  %p = gep inbounds ptr @struct_array, 16384 x i64 0, 16 x i64 %idxprom, 1 x i64 8
  ret ptr %p
}
Transformation seems to be correct! (syntactically equal)

-- 3. SeparateConstOffsetFromGEPPass

----------------------------------------
@struct_array = global 16384 bytes, align 16

define ptr @struct(i32 %i) {
entry:
  %add = add nsw i32 %i, 5
  %idxprom = sext i32 %add to i64
  %p = gep inbounds ptr @struct_array, 16384 x i64 0, 16 x i64 %idxprom, 1 x i64 8
  ret ptr %p
}
=>
@struct_array = global 16384 bytes, align 16

define ptr @struct(i32 %i) {
entry:
  %#0 = sext i32 %i to i64
  %#1 = gep ptr @struct_array, 16384 x i64 0, 16 x i64 %#0, 1 x i64 8
  %p2 = gep inbounds ptr %#1, 1 x i64 80
  ret ptr %p2
}
Transformation doesn't verify! (unsound)
ERROR: Target is more poisonous than source

Example:
i32 %i = #xfffffffd (4294967293, -3)

Source:
i32 %add = #x00000002 (2)
i64 %idxprom = #x0000000000000002 (2)
ptr %p = pointer(non-local, block_id=0, offset=40) / Address=#x01ffffc028

SOURCE MEMORY STATE
===================
NON-LOCAL BLOCKS:
Block 0 >	size: 16384	align: 16	alloc type: 0	alive: true	address: 8589918208

Target:
i64 %#0 = #xfffffffffffffffd (18446744073709551613, -3)
ptr %#1 = pointer(non-local, block_id=0, offset=-40) / Address=#x01ffffbfd8
ptr %p2 = poison
Source value: pointer(non-local, block_id=0, offset=40) / Address=#x01ffffc028
Target value: poison

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=nvptx64-nvidia-cuda' '-passes=separate-const-offset-from-gep' '-reassociate-geps-verify-no-dead-code' '-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_UXix6coe_SYYZ.bc"


------------------- SMT STATS -------------------
Num queries: 9
Num invalid: 0
Num skips:   0
Num trivial: 9 (50.0%)
Num timeout: 0 (0.0%)
Num errors:  0 (0.0%)
Num SAT:     6 (66.7%)
Num UNSAT:   3 (33.3%)
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/NVPTX/split-gep.ll -mtriple=nvptx64-nvidia-cuda -passes=separate-const-offset-from-gep        -reassociate-geps-verify-no-dead-code -S | /bitbucket/nlopes/llvm/build/bin/FileCheck /bitbucket/nlopes/llvm/llvm/test/Transforms/SeparateConstOffsetFromGEP/NVPTX/split-gep.ll
+ /home/nlopes/alive2/build/opt-alive.sh -mtriple=nvptx64-nvidia-cuda -passes=separate-const-offset-from-gep -reassociate-geps-verify-no-dead-code -S
+ /bitbucket/nlopes/llvm/build/bin/FileCheck /bitbucket/nlopes/llvm/llvm/test/Transforms/SeparateConstOffsetFromGEP/NVPTX/split-gep.ll

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

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