Test Failure: Transforms/EarlyCSE/commute.ll

Test source: git

Log:

Source: <stdin>
-- 1. ModuleToFunctionPassAdaptor
ERROR: Unsupported instruction:   %x = load volatile i32, ptr %px, align 4
-- 1. PassManager<Function> : Skipping NOP
-- 2. EarlyCSEPass

----------------------------------------
define void @test1(float %A, float %B, ptr %PA, ptr %PB) {
#0:
  %C = fadd float %A, %B
  store float %C, ptr %PA, align 4
  %D = fadd float %B, %A
  store float %D, ptr %PB, align 4
  ret void
}
Transformation seems to be correct! (syntactically equal)

-- 3. EarlyCSEPass

----------------------------------------
define void @test1(float %A, float %B, ptr %PA, ptr %PB) {
#0:
  %C = fadd float %A, %B
  store float %C, ptr %PA, align 4
  %D = fadd float %B, %A
  store float %D, ptr %PB, align 4
  ret void
}
=>
define void @test1(float %A, float %B, ptr %PA, ptr %PB) {
#0:
  %C = fadd float %A, %B
  store float %C, ptr %PA, align 4
  store float %C, ptr %PB, align 4
  ret void
}
Transformation doesn't verify! (not unsound)
ERROR: Timeout
-- 4. PassManager<Function> : Skipping NOP
-- 5. PassManager<Function> : Skipping NOP
-- 6. EarlyCSEPass

----------------------------------------
define void @test2(float %A, float %B, ptr %PA, ptr %PB) {
#0:
  %C = fcmp oeq float %A, %B
  store i1 %C, ptr %PA, align 1
  %D = fcmp oeq float %B, %A
  store i1 %D, ptr %PB, align 1
  ret void
}
Transformation seems to be correct! (syntactically equal)

-- 7. EarlyCSEPass

----------------------------------------
define void @test2(float %A, float %B, ptr %PA, ptr %PB) {
#0:
  %C = fcmp oeq float %A, %B
  store i1 %C, ptr %PA, align 1
  %D = fcmp oeq float %B, %A
  store i1 %D, ptr %PB, align 1
  ret void
}
=>
define void @test2(float %A, float %B, ptr %PA, ptr %PB) {
#0:
  %C = fcmp oeq float %A, %B
  store i1 %C, ptr %PA, align 1
  store i1 %C, ptr %PB, align 1
  ret void
}
Transformation seems to be correct!

-- 8. PassManager<Function> : Skipping NOP
-- 9. PassManager<Function> : Skipping NOP
-- 10. EarlyCSEPass

----------------------------------------
define void @test3(float %A, float %B, ptr %PA, ptr %PB) {
#0:
  %C = fcmp uge float %A, %B
  store i1 %C, ptr %PA, align 1
  %D = fcmp ule float %B, %A
  store i1 %D, ptr %PB, align 1
  ret void
}
Transformation seems to be correct! (syntactically equal)

-- 11. EarlyCSEPass

----------------------------------------
define void @test3(float %A, float %B, ptr %PA, ptr %PB) {
#0:
  %C = fcmp uge float %A, %B
  store i1 %C, ptr %PA, align 1
  %D = fcmp ule float %B, %A
  store i1 %D, ptr %PB, align 1
  ret void
}
=>
define void @test3(float %A, float %B, ptr %PA, ptr %PB) {
#0:
  %C = fcmp uge float %A, %B
  store i1 %C, ptr %PA, align 1
  store i1 %C, ptr %PB, align 1
  ret void
}
Transformation doesn't verify! (not unsound)
ERROR: Timeout
-- 12. PassManager<Function> : Skipping NOP
-- 13. PassManager<Function> : Skipping NOP
-- 14. EarlyCSEPass

----------------------------------------
define void @test4(i32 %A, i32 %B, ptr %PA, ptr %PB) {
#0:
  %C = icmp eq i32 %A, %B
  store i1 %C, ptr %PA, align 1
  %D = icmp eq i32 %B, %A
  store i1 %D, ptr %PB, align 1
  ret void
}
Transformation seems to be correct! (syntactically equal)

-- 15. EarlyCSEPass

----------------------------------------
define void @test4(i32 %A, i32 %B, ptr %PA, ptr %PB) {
#0:
  %C = icmp eq i32 %A, %B
  store i1 %C, ptr %PA, align 1
  %D = icmp eq i32 %B, %A
  store i1 %D, ptr %PB, align 1
  ret void
}
=>
define void @test4(i32 %A, i32 %B, ptr %PA, ptr %PB) {
#0:
  %C = icmp eq i32 %A, %B
  store i1 %C, ptr %PA, align 1
  store i1 %C, ptr %PB, align 1
  ret void
}
Transformation seems to be correct!

-- 16. PassManager<Function> : Skipping NOP
-- 17. PassManager<Function> : Skipping NOP
-- 18. EarlyCSEPass

----------------------------------------
define void @test5(i32 %A, i32 %B, ptr %PA, ptr %PB) {
#0:
  %C = icmp sgt i32 %A, %B
  store i1 %C, ptr %PA, align 1
  %D = icmp slt i32 %B, %A
  store i1 %D, ptr %PB, align 1
  ret void
}
Transformation seems to be correct! (syntactically equal)

-- 19. EarlyCSEPass

----------------------------------------
define void @test5(i32 %A, i32 %B, ptr %PA, ptr %PB) {
#0:
  %C = icmp sgt i32 %A, %B
  store i1 %C, ptr %PA, align 1
  %D = icmp slt i32 %B, %A
  store i1 %D, ptr %PB, align 1
  ret void
}
=>
define void @test5(i32 %A, i32 %B, ptr %PA, ptr %PB) {
#0:
  %C = icmp sgt i32 %A, %B
  store i1 %C, ptr %PA, align 1
  store i1 %C, ptr %PB, align 1
  ret void
}
Transformation seems to be correct!

-- 20. PassManager<Function> : Skipping NOP
-- 21. PassManager<Function> : Skipping NOP
-- 22. EarlyCSEPass

----------------------------------------
define void @test6(float %f, ptr %p1, ptr %p2) {
#0:
  %c1 = fcmp ult float %f, %f
  %c2 = fcmp ugt float %f, %f
  store i1 %c1, ptr %p1, align 1
  store i1 %c2, ptr %p2, align 1
  ret void
}
Transformation seems to be correct! (syntactically equal)

-- 23. EarlyCSEPass

----------------------------------------
define void @test6(float %f, ptr %p1, ptr %p2) {
#0:
  %c1 = fcmp ult float %f, %f
  %c2 = fcmp ugt float %f, %f
  store i1 %c1, ptr %p1, align 1
  store i1 %c2, ptr %p2, align 1
  ret void
}
=>
define void @test6(float %f, ptr %p1, ptr %p2) {
#0:
  %c1 = fcmp ult float %f, %f
  store i1 %c1, ptr %p1, align 1
  store i1 %c1, ptr %p2, align 1
  ret void
}
Transformation seems to be correct!

-- 24. PassManager<Function> : Skipping NOP
-- 25. PassManager<Function> : Skipping NOP
-- 26. EarlyCSEPass

----------------------------------------
define i8 @smin_commute(i8 %a, i8 %b) {
#0:
  %cmp1 = icmp slt i8 %a, %b
  %cmp2 = icmp slt i8 %b, %a
  %m1 = select i1 %cmp1, i8 %a, i8 %b
  %m2 = select i1 %cmp2, i8 %b, i8 %a
  %r = mul i8 %m1, %m2
  ret i8 %r
}
Transformation seems to be correct! (syntactically equal)

-- 27. EarlyCSEPass

----------------------------------------
define i8 @smin_commute(i8 %a, i8 %b) {
#0:
  %cmp1 = icmp slt i8 %a, %b
  %cmp2 = icmp slt i8 %b, %a
  %m1 = select i1 %cmp1, i8 %a, i8 %b
  %m2 = select i1 %cmp2, i8 %b, i8 %a
  %r = mul i8 %m1, %m2
  ret i8 %r
}
=>
define i8 @smin_commute(i8 %a, i8 %b) {
#0:
  %cmp1 = icmp slt i8 %a, %b
  %m1 = select i1 %cmp1, i8 %a, i8 %b
  %r = mul i8 %m1, %m1
  ret i8 %r
}
Transformation doesn't verify! (unsound)
ERROR: Value mismatch

Example:
i8 %a = #x80 (128, -128)
i8 %b = undef

Source:
i1 %cmp1 = #x1 (1)	[based on undef value]
i1 %cmp2 = #x0 (0)
i8 %m1 = #x80 (128, -128)
i8 %m2 = #x80 (128, -128)
i8 %r = #x00 (0)

Target:
i1 %cmp1 = #x0 (0)
i8 %m1 = #x0e (14)
i8 %r = #x7e (126)
Source value: #x00 (0)
Target value: #x7e (126)

Pass: EarlyCSEPass
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' '-S' '-passes=early-cse' '-earlycse-debug-hash' '-tv-smt-to=20000' '-tv-report-dir=/home/nlopes/alive2/build/logs' '-tv-smt-stats'
Wrote bitcode to: "/home/nlopes/alive2/build/logs/in_ecaSaayM_VFdZ.bc"


------------------- SMT STATS -------------------
Num queries: 39
Num invalid: 0
Num skips:   0
Num trivial: 44 (53.0%)
Num timeout: 4 (10.3%)
Num errors:  0 (0.0%)
Num SAT:     22 (56.4%)
Num UNSAT:   13 (33.3%)
Alive2: Transform doesn't verify; aborting!

stderr:

RUN: at line 2: /home/nlopes/alive2/build/opt-alive.sh < /bitbucket/nlopes/llvm/llvm/test/Transforms/EarlyCSE/commute.ll -S -passes=early-cse -earlycse-debug-hash | /bitbucket/nlopes/llvm/build/bin/FileCheck /bitbucket/nlopes/llvm/llvm/test/Transforms/EarlyCSE/commute.ll
+ /bitbucket/nlopes/llvm/build/bin/FileCheck /bitbucket/nlopes/llvm/llvm/test/Transforms/EarlyCSE/commute.ll
+ /home/nlopes/alive2/build/opt-alive.sh -S -passes=early-cse -earlycse-debug-hash

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

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

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