Test source: git
Comments: Alive2 missing support for unnamed_addr
Source: <stdin>
-- 1. ConstantMergePass
-- 2. ConstantMergePass
----------------------------------------
@T1A = constant 4 bytes, align 4
@T1B = constant 4 bytes, align 2
define void @test1(ptr %P1, ptr %P2) {
init:
store i32 1, ptr @T1A, align 4
store i32 1, ptr @T1B, align 2
br label %#0
#0:
store ptr @T1A, ptr %P1, align 8
store ptr @T1B, ptr %P2, align 8
ret void
}
=>
@T1B = constant 4 bytes, align 4
@T1A = constant 4 bytes, align 4
define void @test1(ptr %P1, ptr %P2) {
init:
store i32 1, ptr @T1B, align 4
br label %#0
#0:
store ptr @T1B, ptr %P1, align 8
store ptr @T1B, ptr %P2, align 8
ret void
}
Transformation doesn't verify! (unsound)
ERROR: Mismatch in memory
Example:
ptr %P1 = pointer(non-local, block_id=3, offset=0) / Address=#x08
ptr %P2 = pointer(non-local, block_id=3, offset=0) / Address=#x08
Source:
>> Jump to %#0
SOURCE MEMORY STATE
===================
NON-LOCAL BLOCKS:
Block 0 > size: 0 align: 2 alloc type: 0 alive: false address: 0
Block 1 > size: 4 align: 4 alloc type: 0 alive: true address: 4 const
Block 2 > size: 4 align: 2 alloc type: 0 alive: true address: 18 const
Contents:
2: pointer(non-local, block_id=1, offset=0), byte offset=2
0: pointer(non-local, block_id=2, offset=0), byte offset=0
1: pointer(non-local, block_id=1, offset=0), byte offset=1
3: pointer(non-local, block_id=1, offset=0), byte offset=3
*: poison
Block 3 > size: 8 align: 1 alloc type: 0 alive: true address: 8
Block 4 > size: 3 align: 1 alloc type: 0 alive: true address: 1
Contents:
2: pointer(non-local, block_id=1, offset=0), byte offset=2
0: pointer(non-local, block_id=2, offset=0), byte offset=0
1: pointer(non-local, block_id=1, offset=0), byte offset=1
3: pointer(non-local, block_id=1, offset=0), byte offset=3
*: poison
Target:
>> Jump to %#0
Mismatch in pointer(non-local, block_id=1, offset=0)
Source value: #x0001
Target value: poison
Pass: ConstantMergePass
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=constmerge' '-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_7Ud9xqJO_a0oI.bc"
------------------- SMT STATS -------------------
Num queries: 54
Num invalid: 0
Num skips: 0
Num trivial: 7 (11.5%)
Num timeout: 0 (0.0%)
Num errors: 0 (0.0%)
Num SAT: 32 (59.3%)
Num UNSAT: 22 (40.7%)
Alive2: Transform doesn't verify; aborting!
RUN: at line 1: /home/nlopes/alive2/build/opt-alive.sh -passes=constmerge -S < /bitbucket/nlopes/llvm/llvm/test/Transforms/ConstantMerge/align.ll | /bitbucket/nlopes/llvm/build/bin/FileCheck /bitbucket/nlopes/llvm/llvm/test/Transforms/ConstantMerge/align.ll + /home/nlopes/alive2/build/opt-alive.sh -passes=constmerge -S + /bitbucket/nlopes/llvm/build/bin/FileCheck /bitbucket/nlopes/llvm/llvm/test/Transforms/ConstantMerge/align.ll FileCheck error: '<stdin>' is empty. FileCheck command line: /bitbucket/nlopes/llvm/build/bin/FileCheck /bitbucket/nlopes/llvm/llvm/test/Transforms/ConstantMerge/align.ll