Test Failure: Transforms/InstCombine/icmp-custom-dl.ll

Test source: git

Log:

Source: <stdin>
-- 1. ModuleToFunctionPassAdaptor
ERROR: Unsupported instruction:   %bit = addrspacecast ptr %foo to ptr addrspace(3)
ERROR: Unsupported instruction:   %bit = addrspacecast ptr %foo to ptr addrspace(1)
-- 1. PassManager<Function> : Skipping NOP
-- 2. InstCombinePass

----------------------------------------
declare i32 @test58_d(i64)

define i1 @test59(ptr %foo) {
#0:
  %gep1 = gep inbounds ptr %foo, 4 x i64 2
  %gep2 = gep inbounds ptr %foo, 1 x i64 10
  %cmp = icmp ult ptr %gep1, %gep2
  %use = ptrtoint ptr %gep1 to i64
  %call = call i32 @test58_d(i64 %use)
  ret i1 %cmp
}
Transformation seems to be correct! (syntactically equal)

-- 3. InstCombinePass

----------------------------------------
declare i32 @test58_d(i64)

define i1 @test59(ptr %foo) {
#0:
  %gep1 = gep inbounds ptr %foo, 4 x i64 2
  %gep2 = gep inbounds ptr %foo, 1 x i64 10
  %cmp = icmp ult ptr %gep1, %gep2, offsetonly
  %use = ptrtoint ptr %gep1 to i64
  %call = call i32 @test58_d(i64 %use)
  ret i1 %cmp
}
=>
declare i32 @test58_d(i64)

define i1 @test59(ptr %foo) {
#0:
  %gep1 = gep inbounds nuw ptr %foo, 1 x i32 8
  %#1 = ptrtoint ptr %gep1 to i40
  %use = zext i40 %#1 to i64
  %call = call i32 @test58_d(i64 %use)
  ret i1 1
}
Transformation seems to be correct!

-- 4. PassManager<Function> : Skipping NOP
-- 5. PassManager<Function> : Skipping NOP
-- 6. InstCombinePass
-- 7. InstCombinePass
-- 8. PassManager<Function> : Skipping NOP
-- 9. PassManager<Function> : Skipping NOP
-- 10. InstCombinePass

----------------------------------------
define i1 @test60(ptr %foo, i64 %i, i64 %j) {
#0:
  %gep1 = gep inbounds ptr %foo, 4 x i64 %i
  %gep2 = gep inbounds ptr %foo, 1 x i64 %j
  %cmp = icmp ult ptr %gep1, %gep2
  ret i1 %cmp
}
Transformation seems to be correct! (syntactically equal)

-- 11. InstCombinePass

----------------------------------------
define i1 @test60(ptr %foo, i64 %i, i64 %j) {
#0:
  %gep1 = gep inbounds ptr %foo, 4 x i64 %i
  %gep2 = gep inbounds ptr %foo, 1 x i64 %j
  %cmp = icmp ult ptr %gep1, %gep2
  ret i1 %cmp
}
=>
define i1 @test60(ptr %foo, i64 %i, i64 %j) {
#0:
  %#1 = trunc nsw i64 %i to i32
  %gep1.idx = shl nsw i32 %#1, 2
  %#2 = trunc nsw i64 %j to i32
  %cmp = icmp slt i32 %gep1.idx, %#2
  ret i1 %cmp
}
Transformation doesn't verify! (unsound)
ERROR: Target is more poisonous than source

Example:
ptr %foo = null
i64 %i = #x0000000000000000 (0)
i64 %j = #x0000002000000000 (137438953472)

Source:
ptr %gep1 = null
ptr %gep2 = null
i1 %cmp = #x0 (0)

SOURCE MEMORY STATE
===================
NON-LOCAL BLOCKS:
Block 0 >	size: 0	align: 1	alloc type: 0	alive: false	address: #x00000000
Block 1 >	size: 0	align: 1	alloc type: 0	alive: true	address: #x00000004

Target:
i32 %#1 = #x00000000 (0)
i32 %gep1.idx = #x00000000 (0)
i32 %#2 = poison
i1 %cmp = poison

TARGET MEMORY STATE
===================
NON-LOCAL BLOCKS:
Block 0 >	size: 0	align: 1	alloc type: 0	alive: false	address: #x00000000
Block 1 >	size: 0	align: 1	alloc type: 0	alive: true	address: #x00000004
Source value: #x0 (0)
Target value: poison

Pass: InstCombinePass
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' '-passes=instcombine' '-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_VQQ8ARXx_pUYc.bc"

------------------- SMT STATS -------------------
Num queries: 31
Num invalid: 0
Num skips:   0
Num trivial: 14 (31.1%)
Num timeout: 0 (0.0%)
Num errors:  0 (0.0%)
Num SAT:     24 (77.4%)
Num UNSAT:   7 (22.6%)
Alive2: Transform doesn't verify; aborting!

stderr:

Transforms/InstCombine/icmp-custom-dl.ll' FAILED ********************
Exit Code: 2

Command Output (stdout):
--
# RUN: at line 2
/home/nlopes/alive2/build/opt-alive.sh < /bitbucket/nlopes/llvm/llvm/test/Transforms/InstCombine/icmp-custom-dl.ll -passes=instcombine -S | /bitbucket/nlopes/llvm/build/bin/FileCheck /bitbucket/nlopes/llvm/llvm/test/Transforms/InstCombine/icmp-custom-dl.ll
# executed command: /home/nlopes/alive2/build/opt-alive.sh -passes=instcombine -S
# .---command stderr------------
# `-----------------------------
# error: command failed with exit status: 1
# executed command: /bitbucket/nlopes/llvm/build/bin/FileCheck /bitbucket/nlopes/llvm/llvm/test/Transforms/InstCombine/icmp-custom-dl.ll
# .---command stderr------------
# | FileCheck error: '<stdin>' is empty.
# | FileCheck command line:  /bitbucket/nlopes/llvm/build/bin/FileCheck /bitbucket/nlopes/llvm/llvm/test/Transforms/InstCombine/icmp-custom-dl.ll
# `-----------------------------
# error: command failed with exit status: 2

--

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