Test Failure: Transforms/InstCombine/fpextend.ll

Test source: git

Log:

Source: <stdin>
-- 1. ModuleToFunctionPassAdaptor
ERROR: Unsupported type: x86_fp80
ERROR: Unsupported type: ppc_fp128
-- 1. PassManager<Function> : Skipping NOP
-- 2. InstCombinePass

----------------------------------------
define float @test(float %x) {
#0:
  %t1 = fpext float %x to double
  %t3 = fadd double %t1, 0.000000
  %t34 = fptrunc double %t3 to float
  ret float %t34
}
Transformation seems to be correct! (syntactically equal)

-- 3. InstCombinePass

----------------------------------------
define float @test(float %x) {
#0:
  %t1 = fpext float %x to double
  %t3 = fadd double %t1, 0.000000
  %t34 = fptrunc double %t3 to float
  ret float %t34
}
=>
define float @test(float %x) {
#0:
  %t34 = fadd float %x, 0.000000
  ret float %t34
}
Transformation doesn't verify! (not unsound)
ERROR: Timeout
-- 4. PassManager<Function> : Skipping NOP
-- 5. PassManager<Function> : Skipping NOP
-- 6. InstCombinePass

----------------------------------------
define float @test2(float %x, float %y) {
#0:
  %t1 = fpext float %x to double
  %t23 = fpext float %y to double
  %t5 = fmul double %t1, %t23
  %t56 = fptrunc double %t5 to float
  ret float %t56
}
Transformation seems to be correct! (syntactically equal)

-- 7. InstCombinePass

----------------------------------------
define float @test2(float %x, float %y) {
#0:
  %t1 = fpext float %x to double
  %t23 = fpext float %y to double
  %t5 = fmul double %t1, %t23
  %t56 = fptrunc double %t5 to float
  ret float %t56
}
=>
define float @test2(float %x, float %y) {
#0:
  %t56 = fmul float %x, %y
  ret float %t56
}
Transformation doesn't verify! (not unsound)
ERROR: Timeout
-- 8. PassManager<Function> : Skipping NOP
-- 9. PassManager<Function> : Skipping NOP
-- 10. InstCombinePass

----------------------------------------
define float @test3(float %x, float %y) {
#0:
  %t1 = fpext float %x to double
  %t23 = fpext float %y to double
  %t5 = fdiv double %t1, %t23
  %t56 = fptrunc double %t5 to float
  ret float %t56
}
Transformation seems to be correct! (syntactically equal)

-- 11. InstCombinePass

----------------------------------------
define float @test3(float %x, float %y) {
#0:
  %t1 = fpext float %x to double
  %t23 = fpext float %y to double
  %t5 = fdiv double %t1, %t23
  %t56 = fptrunc double %t5 to float
  ret float %t56
}
=>
define float @test3(float %x, float %y) {
#0:
  %t56 = fdiv float %x, %y
  ret float %t56
}
Transformation doesn't verify! (not unsound)
ERROR: Timeout
-- 12. PassManager<Function> : Skipping NOP
-- 13. PassManager<Function> : Skipping NOP
-- 14. InstCombinePass

----------------------------------------
define float @test4(float %x) {
#0:
  %t1 = fpext float %x to double
  %t2 = fsub double -0.000000, %t1
  %t34 = fptrunc double %t2 to float
  ret float %t34
}
Transformation seems to be correct! (syntactically equal)

-- 15. InstCombinePass

----------------------------------------
define float @test4(float %x) {
#0:
  %t1 = fpext float %x to double
  %t2 = fsub double -0.000000, %t1
  %t34 = fptrunc double %t2 to float
  ret float %t34
}
=>
define float @test4(float %x) {
#0:
  %t34 = fneg float %x
  ret float %t34
}
Transformation doesn't verify! (unsound)
ERROR: Value mismatch

Example:
float %x = #xff800906 (SNaN)

Source:
double %t1 = #x7ff8000000000000 (QNaN)
double %t2 = #x7ff8000000000000 (QNaN)
float %t34 = #x7fc00000 (QNaN)

Target:
float %t34 = #x7f800906 (SNaN)
Source value: #x7fc00000 (QNaN)
Target value: #x7f800906 (SNaN)

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_DWPUPFnR_NNO6.bc"


------------------- SMT STATS -------------------
Num queries: 26
Num invalid: 0
Num skips:   0
Num trivial: 19 (42.2%)
Num timeout: 3 (11.5%)
Num errors:  0 (0.0%)
Num SAT:     18 (69.2%)
Num UNSAT:   5 (19.2%)
Alive2: Transform doesn't verify; aborting!

stderr:

RUN: at line 2: /home/nlopes/alive2/build/opt-alive.sh < /bitbucket/nlopes/llvm/llvm/test/Transforms/InstCombine/fpextend.ll -passes=instcombine -S | /bitbucket/nlopes/llvm/build/bin/FileCheck /bitbucket/nlopes/llvm/llvm/test/Transforms/InstCombine/fpextend.ll
+ /home/nlopes/alive2/build/opt-alive.sh -passes=instcombine -S
+ /bitbucket/nlopes/llvm/build/bin/FileCheck /bitbucket/nlopes/llvm/llvm/test/Transforms/InstCombine/fpextend.ll

FileCheck error: '<stdin>' is empty.
FileCheck command line:  /bitbucket/nlopes/llvm/build/bin/FileCheck /bitbucket/nlopes/llvm/llvm/test/Transforms/InstCombine/fpextend.ll

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