Test source: git
Source: <stdin>
-- 1. ModuleToFunctionPassAdaptor
-- 1. PassManager<llvm::Function> : Skipping NOP
-- 2. InstCombinePass
----------------------------------------
define void @matching_phi(i64 %a, ptr %b, i1 %cond) {
entry:
%cmp1 = icmp eq i1 %cond, 0
%add.int = add i64 %a, 1
%add = int2ptr i64 %add.int to ptr
%addb = gep inbounds ptr %b, 4 x i64 2
%addb.int = ptrtoint ptr %addb to i64
br i1 %cmp1, label %bb1, label %bb2
bb2:
store float 10.000000, ptr %add, align 4
br label %bb3
bb1:
br label %bb3
bb3:
%a.addr.03 = phi ptr [ %addb, %bb1 ], [ %add, %bb2 ]
%b.addr.02 = phi i64 [ %addb.int, %bb1 ], [ %add.int, %bb2 ]
%i0 = int2ptr i64 %b.addr.02 to ptr
%i1 = load float, ptr %i0, align 4
%mul.i = fmul float %i1, 42.000000
store float %mul.i, ptr %a.addr.03, align 4
ret void
}
Transformation seems to be correct! (syntactically equal)
-- 3. InstCombinePass
----------------------------------------
define void @matching_phi(i64 %a, ptr %b, i1 %cond) {
entry:
%cmp1 = icmp eq i1 %cond, 0
%add.int = add i64 %a, 1
%add = int2ptr i64 %add.int to ptr
%addb = gep inbounds ptr %b, 4 x i64 2
%addb.int = ptrtoint ptr %addb to i64
br i1 %cmp1, label %bb1, label %bb2
bb2:
store float 10.000000, ptr %add, align 4
br label %bb3
bb1:
br label %bb3
bb3:
%a.addr.03 = phi ptr [ %addb, %bb1 ], [ %add, %bb2 ]
%b.addr.02 = phi i64 [ %addb.int, %bb1 ], [ %add.int, %bb2 ]
%i0 = int2ptr i64 %b.addr.02 to ptr
%i1 = load float, ptr %i0, align 4
%mul.i = fmul float %i1, 42.000000
store float %mul.i, ptr %a.addr.03, align 4
ret void
}
=>
define void @matching_phi(i64 %a, ptr %b, i1 %cond) {
entry:
br i1 %cond, label %bb2, label %bb1
bb1:
%addb = gep inbounds nuw ptr %b, 1 x i64 8
br label %bb3
bb2:
%add.int = add i64 %a, 1
%add = int2ptr i64 %add.int to ptr
store float 10.000000, ptr %add, align 4
br label %bb3
bb3:
%a.addr.03 = phi ptr [ %addb, %bb1 ], [ %add, %bb2 ]
%i1 = load float, ptr %a.addr.03, align 4
%mul.i = fmul float %i1, 42.000000
store float %mul.i, ptr %a.addr.03, align 4
ret void
}
Transformation doesn't verify! (not unsound)
ERROR: Timeout
-- 4. PassManager<llvm::Function> : Skipping NOP
-- 5. PassManager<llvm::Function> : Skipping NOP
-- 6. InstCombinePass
----------------------------------------
define void @no_matching_phi(i64 %a, ptr %b, i1 %cond) {
entry:
%cmp1 = icmp eq i1 %cond, 0
%add.int = add i64 %a, 1
%add = int2ptr i64 %add.int to ptr
%addb = gep inbounds ptr %b, 4 x i64 2
%addb.int = ptrtoint ptr %addb to i64
br i1 %cmp1, label %A, label %B
B:
store float 10.000000, ptr %add, align 4
br label %C
A:
br label %C
C:
%a.addr.03 = phi ptr [ %addb, %A ], [ %add, %B ]
%b.addr.02 = phi i64 [ %addb.int, %B ], [ %add.int, %A ]
%i0 = int2ptr i64 %b.addr.02 to ptr
%i1 = load float, ptr %i0, align 4
%mul.i = fmul float %i1, 42.000000
store float %mul.i, ptr %a.addr.03, align 4
ret void
}
Transformation seems to be correct! (syntactically equal)
-- 7. InstCombinePass
----------------------------------------
define void @no_matching_phi(i64 %a, ptr %b, i1 %cond) {
entry:
%cmp1 = icmp eq i1 %cond, 0
%add.int = add i64 %a, 1
%add = int2ptr i64 %add.int to ptr
%addb = gep inbounds ptr %b, 4 x i64 2
%addb.int = ptrtoint ptr %addb to i64
br i1 %cmp1, label %A, label %B
B:
store float 10.000000, ptr %add, align 4
br label %C
A:
br label %C
C:
%a.addr.03 = phi ptr [ %addb, %A ], [ %add, %B ]
%b.addr.02 = phi i64 [ %addb.int, %B ], [ %add.int, %A ]
%i0 = int2ptr i64 %b.addr.02 to ptr
%i1 = load float, ptr %i0, align 4
%mul.i = fmul float %i1, 42.000000
store float %mul.i, ptr %a.addr.03, align 4
ret void
}
=>
define void @no_matching_phi(i64 %a, ptr %b, i1 %cond) {
entry:
%add.int = add i64 %a, 1
%addb = gep inbounds nuw ptr %b, 1 x i64 8
br i1 %cond, label %B, label %A
A:
%#0 = int2ptr i64 %add.int to ptr
br label %C
B:
%add = int2ptr i64 %add.int to ptr
store float 10.000000, ptr %add, align 4
br label %C
C:
%a.addr.03 = phi ptr [ %addb, %A ], [ %add, %B ]
%b.addr.02 = phi ptr [ %#0, %A ], [ %addb, %B ]
%i1 = load float, ptr %b.addr.02, align 4
%mul.i = fmul float %i1, 42.000000
store float %mul.i, ptr %a.addr.03, align 4
ret void
}
Transformation doesn't verify! (unsound)
ERROR: Source is more defined than target
Example:
i64 %a = #x0000000000000003 (3)
ptr %b = pointer(non-local, block_id=1, offset=3) / Address=#x0000000000000004
i1 %cond = #x1 (1)
Source:
i1 %cmp1 = #x0 (0)
i64 %add.int = #x0000000000000004 (4)
ptr %add = phy-ptr(addr=4) / Address=#x0000000000000004
ptr %addb = pointer(non-local, block_id=1, offset=11) / Address=#x000000000000000c
i64 %addb.int = #x000000000000000c (12)
>> Jump to %B
>> Jump to %C
ptr %a.addr.03 = phy-ptr(addr=4) / Address=#x0000000000000004
i64 %b.addr.02 = #x000000000000000c (12)
ptr %i0 = phy-ptr(addr=12) / Address=#x000000000000000c
float %i1 = poison
float %mul.i = poison
SOURCE MEMORY STATE
===================
NON-LOCAL BLOCKS:
Block 0 > size: 0 align: 4 alloc type: 0 alive: false address: 0
Block 1 > size: 11 align: 1 alloc type: 0 alive: true address: 1
Contents:
2: poison
*: poison
Block 2 > size: 6 align: 1 alloc type: 0 alive: true address: 12
Block 3 > size: 0 align: 1 alloc type: 0 alive: true address: 1
Target:
i64 %add.int = #x0000000000000004 (4)
ptr %addb = pointer(non-local, block_id=1, offset=11) / Address=#x000000000000000c
>> Jump to %B
ptr %add = phy-ptr(addr=4) / Address=#x0000000000000004
>> Jump to %C
ptr %a.addr.03 = phy-ptr(addr=4) / Address=#x0000000000000004
ptr %b.addr.02 = pointer(non-local, block_id=1, offset=11) / Address=#x000000000000000c
float %i1 = UB triggered!
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_TRdyYPcs_TtZk.bc"
------------------- SMT STATS -------------------
Num queries: 90
Num invalid: 0
Num skips: 0
Num trivial: 20 (18.2%)
Num timeout: 4 (4.4%)
Num errors: 3 (3.3%)
Num SAT: 65 (72.2%)
Num UNSAT: 18 (20.0%)
Alive2: Transform doesn't verify; aborting!
RUN: at line 2: /home/nlopes/alive2/build/opt-alive.sh < /bitbucket/nlopes/llvm/llvm/test/Transforms/InstCombine/intptr7.ll -passes=instcombine -S | /bitbucket/nlopes/llvm/build/bin/FileCheck /bitbucket/nlopes/llvm/llvm/test/Transforms/InstCombine/intptr7.ll + /home/nlopes/alive2/build/opt-alive.sh -passes=instcombine -S + /bitbucket/nlopes/llvm/build/bin/FileCheck /bitbucket/nlopes/llvm/llvm/test/Transforms/InstCombine/intptr7.ll FileCheck error: '<stdin>' is empty. FileCheck command line: /bitbucket/nlopes/llvm/build/bin/FileCheck /bitbucket/nlopes/llvm/llvm/test/Transforms/InstCombine/intptr7.ll