Test Failure: Transforms/EarlyCSE/basic.ll

Test source: git

Log:

Source: <stdin>
ERROR: Unsupported instruction:   store volatile i32 %C, i32* %P, align 4
ERROR: Unsupported instruction:   store volatile i32 %C, i32* %P, align 4

----------------------------------------
define i32 @test2(* %P) {
%0:
  %V1 = load i32, * %P, align 4
  %V2 = load i32, * %P, align 4
  %Diff = sub i32 %V1, %V2
  ret i32 %Diff
}
=>
define i32 @test2(* %P) {
%0:
  %V1 = load i32, * %P, align 4
  ret i32 0
}
Transformation seems to be correct!


----------------------------------------
define i32 @test2a(* %P, i1 %b) {
%0:
  %V1 = load i32, * %P, align 4
  assume i1 %b
  %V2 = load i32, * %P, align 4
  %Diff = sub i32 %V1, %V2
  ret i32 %Diff
}
=>
define i32 @test2a(* %P, i1 %b) {
%0:
  %V1 = load i32, * %P, align 4
  assume i1 %b
  ret i32 0
}
Transformation seems to be correct!


----------------------------------------
define i32 @test3(* %P, i1 %Cond) {
%0:
  %V1 = load i32, * %P, align 4
  br i1 %Cond, label %T, label %F

%F:
  %V2 = load i32, * %P, align 4
  %Diff = sub i32 %V1, %V2
  ret i32 %Diff

%T:
  store i32 4, * %P, align 4
  ret i32 42
}
=>
define i32 @test3(* %P, i1 %Cond) {
%0:
  %V1 = load i32, * %P, align 4
  br i1 %Cond, label %T, label %F

%F:
  ret i32 0

%T:
  store i32 4, * %P, align 4
  ret i32 42
}
Transformation seems to be correct!


----------------------------------------
define i32 @test3a(* %P, i1 %Cond, i1 %b) {
%0:
  %V1 = load i32, * %P, align 4
  br i1 %Cond, label %T, label %F

%F:
  assume i1 %b
  %V2 = load i32, * %P, align 4
  %Diff = sub i32 %V1, %V2
  ret i32 %Diff

%T:
  store i32 4, * %P, align 4
  ret i32 42
}
=>
define i32 @test3a(* %P, i1 %Cond, i1 %b) {
%0:
  %V1 = load i32, * %P, align 4
  br i1 %Cond, label %T, label %F

%F:
  assume i1 %b
  ret i32 0

%T:
  store i32 4, * %P, align 4
  ret i32 42
}
Transformation seems to be correct!


----------------------------------------
define i32 @test4(* %P, i1 %Cond) {
%0:
  %V1 = load i32, * %P, align 4
  br i1 %Cond, label %T, label %F

%F:
  store i32 42, * %P, align 4
  %V2 = load i32, * %P, align 4
  %Diff = sub i32 %V1, %V2
  ret i32 %Diff

%T:
  ret i32 42
}
=>
define i32 @test4(* %P, i1 %Cond) {
%0:
  %V1 = load i32, * %P, align 4
  br i1 %Cond, label %T, label %F

%F:
  store i32 42, * %P, align 4
  %Diff = sub i32 %V1, 42
  ret i32 %Diff

%T:
  ret i32 42
}
Transformation seems to be correct!


----------------------------------------
define i32 @test5(* %P) {
%0:
  %V1 = call i32 @func(* %P) nowrite nofree
  %V2 = call i32 @func(* %P) nowrite nofree
  %Diff = sub i32 %V1, %V2
  ret i32 %Diff
}
=>
define i32 @test5(* %P) {
%0:
  %V1 = call i32 @func(* %P) nowrite nofree
  ret i32 0
}
Transformation doesn't verify!
ERROR: Value mismatch

Example:
* %P = poison

Source:
i32 %V1 = #xffffffff (4294967295, -1)
i32 %V2 = #x00000000 (0)
i32 %Diff = #xffffffff (4294967295, -1)

SOURCE MEMORY STATE
===================
NON-LOCAL BLOCKS:
Block 0 >	size: 0	align: 1	alloc type: 0
Block 1 >	size: 0	align: 256	alloc type: 0
Block 2 >	size: 0	align: 2	alloc type: 0

Target:
i32 %V1 = #x00000000 (0)
Source value: #xffffffff (4294967295, -1)
Target value: #x00000000 (0)


------------------- SMT STATS -------------------
Num queries: 14
Num invalid: 0
Num skips:   0
Num trivial: 28 (66.7%)
Num timeout: 0 (0.0%)
Num errors:  0 (0.0%)
Num SAT:     8 (57.1%)
Num UNSAT:   6 (42.9%)

stderr:

+ : 'RUN: at line 1'
+ /home/nlopes/alive2/scripts/opt-alive.sh -S -early-cse -earlycse-debug-hash
+ /home/nlopes/llvm/build/bin/FileCheck /home/nlopes/llvm/llvm/test/Transforms/EarlyCSE/basic.ll

Alive2: Transform doesn't verify; aborting!
FileCheck error: '<stdin>' is empty.
FileCheck command line:  /home/nlopes/llvm/build/bin/FileCheck /home/nlopes/llvm/llvm/test/Transforms/EarlyCSE/basic.ll

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