Test Failure: Transforms/StraightLineStrengthReduce/slsr-mul.ll

Test source: git

Log:

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

----------------------------------------
declare void @foo(i32)

define void @slsr1(i32 %b, i32 %s) {
#0:
  %mul0 = mul i32 %b, %s
  call void @foo(i32 %mul0)
  %b1 = add i32 %b, 1
  %mul1 = mul i32 %b1, %s
  call void @foo(i32 %mul1)
  %b2 = add i32 %b, 2
  %mul2 = mul i32 %b2, %s
  call void @foo(i32 %mul2)
  ret void
}
Transformation seems to be correct! (syntactically equal)

-- 3. StraightLineStrengthReducePass

----------------------------------------
declare void @foo(i32)

define void @slsr1(i32 %b, i32 %s) {
#0:
  %mul0 = mul i32 %b, %s
  call void @foo(i32 %mul0)
  %b1 = add i32 %b, 1
  %mul1 = mul i32 %b1, %s
  call void @foo(i32 %mul1)
  %b2 = add i32 %b, 2
  %mul2 = mul i32 %b2, %s
  call void @foo(i32 %mul2)
  ret void
}
=>
declare void @foo(i32)

define void @slsr1(i32 %b, i32 %s) {
#0:
  %mul0 = mul i32 %b, %s
  call void @foo(i32 %mul0)
  %mul1 = add i32 %mul0, %s
  call void @foo(i32 %mul1)
  %mul2 = add i32 %mul1, %s
  call void @foo(i32 %mul2)
  ret void
}
Transformation doesn't verify! (not unsound)
ERROR: Timeout
-- 4. GVNPass

----------------------------------------
declare void @foo(i32)

define void @slsr1(i32 %b, i32 %s) {
#0:
  %mul0 = mul i32 %b, %s
  call void @foo(i32 %mul0)
  %mul1 = add i32 %mul0, %s
  call void @foo(i32 %mul1)
  %mul2 = add i32 %mul1, %s
  call void @foo(i32 %mul2)
  ret void
}
Transformation seems to be correct! (syntactically equal)

-- 5. GVNPass

----------------------------------------
declare void @foo(i32)

define void @slsr1(i32 %b, i32 %s) {
#0:
  %mul0 = mul i32 %b, %s
  call void @foo(i32 %mul0)
  %mul1 = add i32 %mul0, %s
  call void @foo(i32 %mul1)
  %mul2 = add i32 %mul1, %s
  call void @foo(i32 %mul2)
  ret void
}
Transformation seems to be correct! (syntactically equal)

-- 6. PassManager<Function> : Skipping NOP
-- 7. PassManager<Function> : Skipping NOP
-- 8. StraightLineStrengthReducePass

----------------------------------------
declare void @foo(i32)

define void @non_canonicalized(i32 %b, i32 %s) {
#0:
  %mul0 = mul i32 %b, %s
  call void @foo(i32 %mul0)
  %b1 = add i32 1, %b
  %mul1 = mul i32 %b1, %s
  call void @foo(i32 %mul1)
  %b2 = add i32 2, %b
  %mul2 = mul i32 %b2, %s
  call void @foo(i32 %mul2)
  ret void
}
Transformation seems to be correct! (syntactically equal)

-- 9. StraightLineStrengthReducePass

----------------------------------------
declare void @foo(i32)

define void @non_canonicalized(i32 %b, i32 %s) {
#0:
  %mul0 = mul i32 %b, %s
  call void @foo(i32 %mul0)
  %b1 = add i32 1, %b
  %mul1 = mul i32 %b1, %s
  call void @foo(i32 %mul1)
  %b2 = add i32 2, %b
  %mul2 = mul i32 %b2, %s
  call void @foo(i32 %mul2)
  ret void
}
=>
declare void @foo(i32)

define void @non_canonicalized(i32 %b, i32 %s) {
#0:
  %mul0 = mul i32 %b, %s
  call void @foo(i32 %mul0)
  %mul1 = add i32 %mul0, %s
  call void @foo(i32 %mul1)
  %mul2 = add i32 %mul1, %s
  call void @foo(i32 %mul2)
  ret void
}
Transformation doesn't verify! (not unsound)
ERROR: Timeout
-- 10. GVNPass

----------------------------------------
declare void @foo(i32)

define void @non_canonicalized(i32 %b, i32 %s) {
#0:
  %mul0 = mul i32 %b, %s
  call void @foo(i32 %mul0)
  %mul1 = add i32 %mul0, %s
  call void @foo(i32 %mul1)
  %mul2 = add i32 %mul1, %s
  call void @foo(i32 %mul2)
  ret void
}
Transformation seems to be correct! (syntactically equal)

-- 11. GVNPass

----------------------------------------
declare void @foo(i32)

define void @non_canonicalized(i32 %b, i32 %s) {
#0:
  %mul0 = mul i32 %b, %s
  call void @foo(i32 %mul0)
  %mul1 = add i32 %mul0, %s
  call void @foo(i32 %mul1)
  %mul2 = add i32 %mul1, %s
  call void @foo(i32 %mul2)
  ret void
}
Transformation seems to be correct! (syntactically equal)

-- 12. PassManager<Function> : Skipping NOP
-- 13. PassManager<Function> : Skipping NOP
-- 14. StraightLineStrengthReducePass

----------------------------------------
declare void @foo(i32)

define void @or(i32 %a, i32 %s) {
#0:
  %b = shl i32 %a, 1
  %mul0 = mul i32 %b, %s
  call void @foo(i32 %mul0)
  %b1 = or i32 %b, 1
  %mul1 = mul i32 %b1, %s
  call void @foo(i32 %mul1)
  %b2 = or i32 %b, 2
  %mul2 = mul i32 %b2, %s
  call void @foo(i32 %mul2)
  ret void
}
Transformation seems to be correct! (syntactically equal)

-- 15. StraightLineStrengthReducePass

----------------------------------------
declare void @foo(i32)

define void @or(i32 %a, i32 %s) {
#0:
  %b = shl i32 %a, 1
  %mul0 = mul i32 %b, %s
  call void @foo(i32 %mul0)
  %b1 = or i32 %b, 1
  %mul1 = mul i32 %b1, %s
  call void @foo(i32 %mul1)
  %b2 = or i32 %b, 2
  %mul2 = mul i32 %b2, %s
  call void @foo(i32 %mul2)
  ret void
}
=>
declare void @foo(i32)

define void @or(i32 %a, i32 %s) {
#0:
  %b = shl i32 %a, 1
  %mul0 = mul i32 %b, %s
  call void @foo(i32 %mul0)
  %mul1 = add i32 %mul0, %s
  call void @foo(i32 %mul1)
  %b2 = or i32 %b, 2
  %mul2 = mul i32 %b2, %s
  call void @foo(i32 %mul2)
  ret void
}
Transformation doesn't verify! (not unsound)
ERROR: Timeout
-- 16. GVNPass

----------------------------------------
declare void @foo(i32)

define void @or(i32 %a, i32 %s) {
#0:
  %b = shl i32 %a, 1
  %mul0 = mul i32 %b, %s
  call void @foo(i32 %mul0)
  %mul1 = add i32 %mul0, %s
  call void @foo(i32 %mul1)
  %b2 = or i32 %b, 2
  %mul2 = mul i32 %b2, %s
  call void @foo(i32 %mul2)
  ret void
}
Transformation seems to be correct! (syntactically equal)

-- 17. GVNPass

----------------------------------------
declare void @foo(i32)

define void @or(i32 %a, i32 %s) {
#0:
  %b = shl i32 %a, 1
  %mul0 = mul i32 %b, %s
  call void @foo(i32 %mul0)
  %mul1 = add i32 %mul0, %s
  call void @foo(i32 %mul1)
  %b2 = or i32 %b, 2
  %mul2 = mul i32 %b2, %s
  call void @foo(i32 %mul2)
  ret void
}
Transformation seems to be correct! (syntactically equal)

-- 18. PassManager<Function> : Skipping NOP
-- 19. PassManager<Function> : Skipping NOP
-- 20. StraightLineStrengthReducePass

----------------------------------------
declare void @foo(i32)

define void @slsr2(i32 %a, i32 %b) {
#0:
  %a1 = add i32 %a, 1
  %b1 = add i32 %b, 1
  %mul0 = mul i32 %a, %b
  %mul1 = mul i32 %a1, %b
  %mul2 = mul i32 %a, %b1
  %mul3 = mul i32 %a1, %b1
  call void @foo(i32 %mul0)
  call void @foo(i32 %mul1)
  call void @foo(i32 %mul2)
  call void @foo(i32 %mul3)
  ret void
}
Transformation seems to be correct! (syntactically equal)

-- 21. StraightLineStrengthReducePass

----------------------------------------
declare void @foo(i32)

define void @slsr2(i32 %a, i32 %b) {
#0:
  %a1 = add i32 %a, 1
  %b1 = add i32 %b, 1
  %mul0 = mul i32 %a, %b
  %mul1 = mul i32 %a1, %b
  %mul2 = mul i32 %a, %b1
  %mul3 = mul i32 %a1, %b1
  call void @foo(i32 %mul0)
  call void @foo(i32 %mul1)
  call void @foo(i32 %mul2)
  call void @foo(i32 %mul3)
  ret void
}
=>
declare void @foo(i32)

define void @slsr2(i32 %a, i32 %b) {
#0:
  %a1 = add i32 %a, 1
  %mul0 = mul i32 %a, %b
  %mul1 = add i32 %mul0, %b
  %mul2 = add i32 %mul0, %a
  %mul3 = add i32 %mul1, %a1
  call void @foo(i32 %mul0)
  call void @foo(i32 %mul1)
  call void @foo(i32 %mul2)
  call void @foo(i32 %mul3)
  ret void
}
Transformation doesn't verify! (unsound)
ERROR: Source is more defined than target

Example:
i32 %a = #x00000007 (7)
i32 %b = undef

Source:
i32 %a1 = #x00000008 (8)
i32 %b1 = #x00000001 (1)	[based on undef value]
i32 %mul0 = #x00000000 (0)	[based on undef value]
i32 %mul1 = #x00000000 (0)	[based on undef value]
i32 %mul2 = #x00000007 (7)
i32 %mul3 = #x00000008 (8)	[based on undef value]
Function @foo returned
void = function did not return!

SOURCE MEMORY STATE
===================
NON-LOCAL BLOCKS:
Block 0 >	size: 0	align: 1	alloc type: 0	alive: false	address: 0
Block 1 >	size: 1	align: 1	alloc type: 0	alive: true	address: 8

Target:
i32 %a1 = #x00000008 (8)
i32 %mul0 = #x00000000 (0)	[based on undef value]
i32 %mul1 = #x00000000 (0)	[based on undef value]
i32 %mul2 = #x00000007 (7)	[based on undef value]
i32 %mul3 = #x00000008 (8)
Function @foo triggered UB


Pass: StraightLineStrengthReducePass
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=slsr,gvn' '-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_JjHWaekJ_ScWX.bc"


------------------- SMT STATS -------------------
Num queries: 51
Num invalid: 0
Num skips:   0
Num trivial: 13 (20.3%)
Num timeout: 6 (11.8%)
Num errors:  0 (0.0%)
Num SAT:     41 (80.4%)
Num UNSAT:   4 (7.8%)
Alive2: Transform doesn't verify; aborting!

stderr:

RUN: at line 1: /home/nlopes/alive2/build/opt-alive.sh < /bitbucket/nlopes/llvm/llvm/test/Transforms/StraightLineStrengthReduce/slsr-mul.ll -passes=slsr,gvn -S | /bitbucket/nlopes/llvm/build/bin/FileCheck /bitbucket/nlopes/llvm/llvm/test/Transforms/StraightLineStrengthReduce/slsr-mul.ll
+ /home/nlopes/alive2/build/opt-alive.sh -passes=slsr,gvn -S
+ /bitbucket/nlopes/llvm/build/bin/FileCheck /bitbucket/nlopes/llvm/llvm/test/Transforms/StraightLineStrengthReduce/slsr-mul.ll

FileCheck error: '<stdin>' is empty.
FileCheck command line:  /bitbucket/nlopes/llvm/build/bin/FileCheck /bitbucket/nlopes/llvm/llvm/test/Transforms/StraightLineStrengthReduce/slsr-mul.ll

NOTE: This test would pass if undef didn't exist!

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