Test source: git
Comments: Alive#345
Source: <stdin>
ERROR: Unsupported attribute: noalias
ERROR: Unsupported attribute: noalias
ERROR: Unsupported attribute: noalias
ERROR: Unsupported attribute: noalias
ERROR: Unsupported attribute: noalias
----------------------------------------
define void @copy(ptr %src, ptr %dst) denormal-fp-math=ieee,ieee {
%0:
%1 = load {ptr, i8, i24, i32}, ptr %src, align 8
store {ptr, i8, i24, i32} %1, ptr %dst, align 8
ret void
}
=>
define void @copy(ptr %src, ptr %dst) denormal-fp-math=ieee,ieee {
%0:
%1 = bitcast ptr %dst to ptr
%2 = bitcast ptr %src to ptr
memmove ptr %1 align 8, ptr %2 align 8, i64 16
ret void
}
Transformation seems to be correct!
ERROR: Unsupported attribute: noalias
ERROR: Unsupported attribute: noalias
----------------------------------------
define void @destroysrc(ptr %src, ptr %dst) denormal-fp-math=ieee,ieee {
%0:
%1 = load {ptr, i8, i24, i32}, ptr %src, align 8
store {ptr, i8, i24, i32} { null, 0, [padding], 0 }, ptr %src, align 8
store {ptr, i8, i24, i32} %1, ptr %dst, align 8
ret void
}
=>
define void @destroysrc(ptr %src, ptr %dst) denormal-fp-math=ieee,ieee {
%0:
%1 = load {ptr, i8, i24, i32}, ptr %src, align 8
%2 = bitcast ptr %src to ptr
memset ptr %2 align 8, i8 0, i64 16
store {ptr, i8, i24, i32} %1, ptr %dst, align 8
ret void
}
Transformation doesn't verify!
ERROR: SMT Error: smt tactic failed to show goal to be sat/unsat (incomplete quantifiers)
ERROR: Unsupported attribute: noalias
----------------------------------------
define void @copyalias(ptr %src, ptr %dst) denormal-fp-math=ieee,ieee {
%0:
%1 = load {ptr, i8, i24, i32}, ptr %src, align 8
%2 = load {ptr, i8, i24, i32}, ptr %src, align 8
store {ptr, i8, i24, i32} %1, ptr %dst, align 8
store {ptr, i8, i24, i32} %2, ptr %dst, align 8
ret void
}
=>
define void @copyalias(ptr %src, ptr %dst) denormal-fp-math=ieee,ieee {
%0:
%1 = load {ptr, i8, i24, i32}, ptr %src, align 8
%2 = bitcast ptr %dst to ptr
%3 = bitcast ptr %src to ptr
memmove ptr %2 align 8, ptr %3 align 8, i64 16
store {ptr, i8, i24, i32} %1, ptr %dst, align 8
ret void
}
Transformation seems to be correct!
----------------------------------------
define void @addrproducer(ptr %src, ptr %dst) denormal-fp-math=ieee,ieee {
%0:
%1 = load {ptr, i8, i24, i32}, ptr %src, align 8
store {ptr, i8, i24, i32} undef, ptr %dst, align 8
%dst2 = gep ptr %dst, 16 x i64 1
store {ptr, i8, i24, i32} %1, ptr %dst2, align 8
ret void
}
=>
define void @addrproducer(ptr %src, ptr %dst) denormal-fp-math=ieee,ieee {
%0:
%1 = bitcast ptr %dst to ptr
%dst2 = gep ptr %dst, 16 x i64 1
%2 = bitcast ptr %dst2 to ptr
%3 = bitcast ptr %src to ptr
memmove ptr %2 align 8, ptr %3 align 8, i64 16
memset ptr %1 align 8, i8 undef, i64 16
ret void
}
Transformation doesn't verify!
ERROR: Mismatch in memory
Example:
ptr %src = pointer(non-local, block_id=1, offset=0)
ptr %dst = pointer(non-local, block_id=1, offset=64)
Source:
{ptr, i8, i24, i32} %1 = { poison, poison, poison, poison }
ptr %dst2 = pointer(non-local, block_id=1, offset=80)
SOURCE MEMORY STATE
===================
NON-LOCAL BLOCKS:
Block 0 > size: 0 align: 1 alloc type: 0
Block 1 > size: 129 align: 32 alloc type: 0
Block 2 > size: 243 align: 2 alloc type: 0
Block 3 > size: 243 align: 2 alloc type: 0
Target:
ptr %1 = pointer(non-local, block_id=1, offset=64)
ptr %dst2 = pointer(non-local, block_id=1, offset=80)
ptr %2 = pointer(non-local, block_id=1, offset=80)
ptr %3 = pointer(non-local, block_id=1, offset=0)
Mismatch in pointer(non-local, block_id=1, offset=64)
Source value: null, byte offset=0
Target value: #x01
------------------- SMT STATS -------------------
Num queries: 20
Num invalid: 0
Num skips: 0
Num trivial: 23 (53.5%)
Num timeout: 0 (0.0%)
Num errors: 1 (5.0%)
Num SAT: 13 (65.0%)
Num UNSAT: 6 (30.0%)
Alive2: Transform doesn't verify; aborting!
+ : 'RUN: at line 2'
+ /bitbucket/nlopes/llvm/build/bin/FileCheck /bitbucket/nlopes/llvm/llvm/test/Transforms/MemCpyOpt/fca2memcpy.ll
+ /home/nlopes/alive2/build/opt-alive.sh -memcpyopt -S -verify-memoryssa
/bitbucket/nlopes/llvm/llvm/test/Transforms/MemCpyOpt/fca2memcpy.ll:10:16: error: CHECK-LABEL: expected string not found in input
; CHECK-LABEL: @copy(
^
<stdin>:1:1: note: scanning from here
BETA_REDEX: (select (lambda ((|#off!8| (_ BitVec 8)))
^
<stdin>:2:32: note: possible intended match here
(let ((a!1 (bvule (bvadd #x10 (concat ((_ extract 7 3) %src) #b000))
^
Input file: <stdin>
Check file: /bitbucket/nlopes/llvm/llvm/test/Transforms/MemCpyOpt/fca2memcpy.ll
-dump-input=help explains the following input dump.
Input was:
<<<<<<
1: BETA_REDEX: (select (lambda ((|#off!8| (_ BitVec 8)))
label:10'0 X~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ error: no match found
2: (let ((a!1 (bvule (bvadd #x10 (concat ((_ extract 7 3) %src) #b000))
label:10'0 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
label:10'1 ? possible intended match
3: |#off!8|)))
label:10'0 ~~~~~~~~~~~~~
4: (let ((a!2 (and (bvule (concat ((_ extract 7 3) %src) #b000) |#off!8|)
label:10'0 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
5: (not a!1))))
label:10'0 ~~~~~~~~~~~~~~
6: (ite a!2 #b010000000000000 (select init_mem_1 |#off!8|)))))
label:10'0 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
7: epsilon!68)
label:10'0 ~~~~~~~~~~~~~
.
.
.
>>>>>>