Test Failure: Transforms/InstCombine/load-cmp.ll

Test source: git

Log:

Source: <stdin>

----------------------------------------
@G16 = constant 20 bytes, align 16

define i1 @test1(i32 %X) {
#init:
  store [10 x i16] { 35, 82, 69, 81, 85, 73, 82, 69, 68, 0 }, * @G16, align 16
  br label %0

%0:
  %P = gep inbounds * @G16, 20 x i32 0, 2 x i32 %X
  %Q = load i16, * %P, align 2
  %R = icmp eq i16 %Q, 0
  ret i1 %R
}
=>
@G16 = constant 20 bytes, align 16

define i1 @test1(i32 %X) {
#init:
  store [10 x i16] { 35, 82, 69, 81, 85, 73, 82, 69, 68, 0 }, * @G16, align 16
  br label %0

%0:
  %R = icmp eq i32 %X, 9
  ret i1 %R
}
Transformation seems to be correct!


----------------------------------------
@G16 = constant 20 bytes, align 16

define i1 @test1_noinbounds(i32 %X) {
#init:
  store [10 x i16] { 35, 82, 69, 81, 85, 73, 82, 69, 68, 0 }, * @G16, align 16
  br label %0

%0:
  %P = gep * @G16, 20 x i32 0, 2 x i32 %X
  %Q = load i16, * %P, align 2
  %R = icmp eq i16 %Q, 0
  ret i1 %R
}
=>
@G16 = constant 20 bytes, align 16

define i1 @test1_noinbounds(i32 %X) {
#init:
  store [10 x i16] { 35, 82, 69, 81, 85, 73, 82, 69, 68, 0 }, * @G16, align 16
  br label %0

%0:
  %R = icmp eq i32 %X, 9
  ret i1 %R
}
Transformation doesn't verify!
ERROR: Value mismatch

Example:
i32 %X = #x80000009 (2147483657, -2147483639)

Source:
* %P = pointer(non-local, block_id=0, offset=18)
i16 %Q = #x0000 (0)
i1 %R = #x1 (1)

SOURCE MEMORY STATE
===================
NON-LOCAL BLOCKS:
Block 0 >	size: 20	align: 16	alloc type: 0

Target:
i1 %R = #x0 (0)
Source value: #x1 (1)
Target value: #x0 (0)


------------------- SMT STATS -------------------
Num queries: 7
Num invalid: 0
Num skips:   0
Num trivial: 4 (36.4%)
Num timeout: 0 (0.0%)
Num errors:  0 (0.0%)
Num SAT:     3 (42.9%)
Num UNSAT:   4 (57.1%)

stderr:

+ : 'RUN: at line 2'
+ /home/nlopes/alive2/scripts/opt-alive.sh -instcombine -S -data-layout=p:32:32:32-p1:16:16:16-n8:16:32:64
+ /home/nlopes/llvm/build/bin/FileCheck /home/nlopes/llvm/llvm/test/Transforms/InstCombine/load-cmp.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/InstCombine/load-cmp.ll

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