Test Failure: Transforms/PhaseOrdering/generate-fabs.ll

Test source: git

Log:

Source: <stdin>
-- 1. Annotation2MetadataPass
-- 2. Annotation2MetadataPass

----------------------------------------
define double @fabs_fcmp_olt_nsz_func_attr(double %#0, double %#1) {
entry:
  %x = alloca i64 8, align 8
  store double %#0, ptr %x, align 8
  %cmp = fcmp nnan nsz olt double %#0, 0.000000
  br i1 %cmp, label %if.then, label %return

if.then:
  %fneg = fneg nnan nsz double %#0
  store double %fneg, ptr %x, align 8
  br label %return

return:
  %ret = load double, ptr %x, align 8
  ret double %ret
}
Transformation seems to be correct! (syntactically equal)

-- 3. ForceFunctionAttrsPass

----------------------------------------
define double @fabs_fcmp_olt_nsz_func_attr(double %#0, double %#1) {
entry:
  %x = alloca i64 8, align 8
  store double %#0, ptr %x, align 8
  %cmp = fcmp nnan nsz olt double %#0, 0.000000
  br i1 %cmp, label %if.then, label %return

if.then:
  %fneg = fneg nnan nsz double %#0
  store double %fneg, ptr %x, align 8
  br label %return

return:
  %ret = load double, ptr %x, align 8
  ret double %ret
}
Transformation seems to be correct! (syntactically equal)

-- 4. ForceFunctionAttrsPass

----------------------------------------
define double @fabs_fcmp_olt_nsz_func_attr(double %#0, double %#1) {
entry:
  %x = alloca i64 8, align 8
  store double %#0, ptr %x, align 8
  %cmp = fcmp nnan nsz olt double %#0, 0.000000
  br i1 %cmp, label %if.then, label %return

if.then:
  %fneg = fneg nnan nsz double %#0
  store double %fneg, ptr %x, align 8
  br label %return

return:
  %ret = load double, ptr %x, align 8
  ret double %ret
}
Transformation seems to be correct! (syntactically equal)

-- 5. InferFunctionAttrsPass : Skipping unsupported
-- 6. InferFunctionAttrsPass : Skipping unsupported
-- 7. CoroEarlyPass

----------------------------------------
define double @fabs_fcmp_olt_nsz_func_attr(double %#0, double %#1) {
entry:
  %x = alloca i64 8, align 8
  store double %#0, ptr %x, align 8
  %cmp = fcmp nnan nsz olt double %#0, 0.000000
  br i1 %cmp, label %if.then, label %return

if.then:
  %fneg = fneg nnan nsz double %#0
  store double %fneg, ptr %x, align 8
  br label %return

return:
  %ret = load double, ptr %x, align 8
  ret double %ret
}
Transformation seems to be correct! (syntactically equal)

-- 8. CoroEarlyPass

----------------------------------------
define double @fabs_fcmp_olt_nsz_func_attr(double %#0, double %#1) {
entry:
  %x = alloca i64 8, align 8
  store double %#0, ptr %x, align 8
  %cmp = fcmp nnan nsz olt double %#0, 0.000000
  br i1 %cmp, label %if.then, label %return

if.then:
  %fneg = fneg nnan nsz double %#0
  store double %fneg, ptr %x, align 8
  br label %return

return:
  %ret = load double, ptr %x, align 8
  ret double %ret
}
Transformation seems to be correct! (syntactically equal)

-- 9. ModuleToFunctionPassAdaptor

----------------------------------------
define double @fabs_fcmp_olt_nsz_func_attr(double %#0, double %#1) {
entry:
  %x = alloca i64 8, align 8
  store double %#0, ptr %x, align 8
  %cmp = fcmp nnan nsz olt double %#0, 0.000000
  br i1 %cmp, label %if.then, label %return

if.then:
  %fneg = fneg nnan nsz double %#0
  store double %fneg, ptr %x, align 8
  br label %return

return:
  %ret = load double, ptr %x, align 8
  ret double %ret
}
Transformation seems to be correct! (syntactically equal)

-- 1. PassManager<Function> : Skipping NOP
-- 2. EntryExitInstrumenterPass : Skipping unsupported
-- 3. EntryExitInstrumenterPass : Skipping unsupported
-- 4. LowerExpectIntrinsicPass

----------------------------------------
define double @fabs_fcmp_olt_nsz_func_attr(double %#0, double %#1) {
entry:
  %x = alloca i64 8, align 8
  store double %#0, ptr %x, align 8
  %cmp = fcmp nnan nsz olt double %#0, 0.000000
  br i1 %cmp, label %if.then, label %return

if.then:
  %fneg = fneg nnan nsz double %#0
  store double %fneg, ptr %x, align 8
  br label %return

return:
  %ret = load double, ptr %x, align 8
  ret double %ret
}
Transformation seems to be correct! (syntactically equal)

-- 5. LowerExpectIntrinsicPass

----------------------------------------
define double @fabs_fcmp_olt_nsz_func_attr(double %#0, double %#1) {
entry:
  %x = alloca i64 8, align 8
  store double %#0, ptr %x, align 8
  %cmp = fcmp nnan nsz olt double %#0, 0.000000
  br i1 %cmp, label %if.then, label %return

if.then:
  %fneg = fneg nnan nsz double %#0
  store double %fneg, ptr %x, align 8
  br label %return

return:
  %ret = load double, ptr %x, align 8
  ret double %ret
}
Transformation seems to be correct! (syntactically equal)

-- 6. SimplifyCFGPass

----------------------------------------
define double @fabs_fcmp_olt_nsz_func_attr(double %#0, double %#1) {
entry:
  %x = alloca i64 8, align 8
  store double %#0, ptr %x, align 8
  %cmp = fcmp nnan nsz olt double %#0, 0.000000
  br i1 %cmp, label %if.then, label %return

if.then:
  %fneg = fneg nnan nsz double %#0
  store double %fneg, ptr %x, align 8
  br label %return

return:
  %ret = load double, ptr %x, align 8
  ret double %ret
}
Transformation seems to be correct! (syntactically equal)

-- 7. SimplifyCFGPass

----------------------------------------
define double @fabs_fcmp_olt_nsz_func_attr(double %#0, double %#1) {
entry:
  %x = alloca i64 8, align 8
  store double %#0, ptr %x, align 8
  %cmp = fcmp nnan nsz olt double %#0, 0.000000
  br i1 %cmp, label %if.then, label %return

if.then:
  %fneg = fneg nnan nsz double %#0
  store double %fneg, ptr %x, align 8
  br label %return

return:
  %ret = load double, ptr %x, align 8
  ret double %ret
}
Transformation seems to be correct! (syntactically equal)

-- 8. SROAPass

----------------------------------------
define double @fabs_fcmp_olt_nsz_func_attr(double %#0, double %#1) {
entry:
  %x = alloca i64 8, align 8
  store double %#0, ptr %x, align 8
  %cmp = fcmp nnan nsz olt double %#0, 0.000000
  br i1 %cmp, label %if.then, label %return

if.then:
  %fneg = fneg nnan nsz double %#0
  store double %fneg, ptr %x, align 8
  br label %return

return:
  %ret = load double, ptr %x, align 8
  ret double %ret
}
Transformation seems to be correct! (syntactically equal)

-- 9. SROAPass

----------------------------------------
define double @fabs_fcmp_olt_nsz_func_attr(double %#0, double %#1) {
entry:
  %x = alloca i64 8, align 8
  store double %#0, ptr %x, align 8
  %cmp = fcmp nnan nsz olt double %#0, 0.000000
  br i1 %cmp, label %if.then, label %return

if.then:
  %fneg = fneg nnan nsz double %#0
  store double %fneg, ptr %x, align 8
  br label %return

return:
  %ret = load double, ptr %x, align 8
  ret double %ret
}
=>
define double @fabs_fcmp_olt_nsz_func_attr(double %#0, double %#1) {
entry:
  %cmp = fcmp nnan nsz olt double %#0, 0.000000
  br i1 %cmp, label %if.then, label %return

if.then:
  %fneg = fneg nnan nsz double %#0
  br label %return

return:
  %x.0 = phi nsz double [ %fneg, %if.then ], [ %#0, %entry ]
  ret double %x.0
}
Transformation doesn't verify! (unsound)
ERROR: Target's return value is more undefined

Example:
double %#0 = #x0000000000000000 (+0.0)
double %#1 = poison

Source:
ptr %x = pointer(local, block_id=0, offset=0) / Address=#x100
i1 %cmp = #x0 (0)
  >> Jump to %return
double %ret = #x0000000000000000 (+0.0)

SOURCE MEMORY STATE
===================
NON-LOCAL BLOCKS:
Block 0 >	size: 1	alive: true

LOCAL BLOCKS:
Block 2 >	size: 8	align: 8	alloc type: 1	alive: true	address: 256

Target:
i1 %cmp = #x0 (0)
  >> Jump to %return
double %x.0 = #x8000000000000000 (-0.0)
Source value: #x0000000000000000 (+0.0)
Target value: #x8000000000000000 (-0.0)

Pass: SROAPass
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=default<O1>' '-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_3b4AvMXH_QXpR.bc"


------------------- SMT STATS -------------------
Num queries: 16
Num invalid: 0
Num skips:   0
Num trivial: 8 (33.3%)
Num timeout: 0 (0.0%)
Num errors:  0 (0.0%)
Num SAT:     13 (81.2%)
Num UNSAT:   3 (18.8%)
Alive2: Transform doesn't verify; aborting!

stderr:

RUN: at line 2: /home/nlopes/alive2/build/opt-alive.sh -passes='default<O1>' -S < /bitbucket/nlopes/llvm/llvm/test/Transforms/PhaseOrdering/generate-fabs.ll | /bitbucket/nlopes/llvm/build/bin/FileCheck /bitbucket/nlopes/llvm/llvm/test/Transforms/PhaseOrdering/generate-fabs.ll
+ /home/nlopes/alive2/build/opt-alive.sh '-passes=default<O1>' -S
+ /bitbucket/nlopes/llvm/build/bin/FileCheck /bitbucket/nlopes/llvm/llvm/test/Transforms/PhaseOrdering/generate-fabs.ll

FileCheck error: '<stdin>' is empty.
FileCheck command line:  /bitbucket/nlopes/llvm/build/bin/FileCheck /bitbucket/nlopes/llvm/llvm/test/Transforms/PhaseOrdering/generate-fabs.ll

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