Test Failure: Transforms/InstCombine/callsite_nonnull_args_through_casts.ll

Test source: git

Log:

Source: <stdin>
ERROR: Unsupported instruction:   %addrspcast = addrspacecast i8* %p to i8 addrspace(1)*

----------------------------------------
define void @nonnullAfterBitCast() {
%entry:
  %i = alloca i64 4, align 4
  %tmp1 = bitcast * %i to *
  call void @foo(* %tmp1)
  ret void
}
=>
define void @nonnullAfterBitCast() {
%entry:
  %i = alloca i64 4, align 4
  %tmp1 = bitcast * %i to *
  call void @foo(nonnull * %tmp1)
  ret void
}
Transformation seems to be correct!


----------------------------------------
define void @nonnullAfterSExt(i8 %a) {
%entry:
  %b = zext i8 %a to i32
  %c = add nsw nuw i32 %b, 2
  %sext = sext i32 %c to i64
  %i2p = int2ptr i64 %sext to *
  call void @foo(* %i2p)
  ret void
}
=>
define void @nonnullAfterSExt(i8 %a) {
%entry:
  %b = zext i8 %a to i64
  %c = add nsw nuw i64 %b, 2
  %i2p = int2ptr i64 %c to *
  call void @foo(nonnull * %i2p)
  ret void
}
Transformation doesn't verify!
ERROR: Couldn't prove the correctness of the transformation
Alive2 approximated the semantics of the programs and therefore we
cannot conclude whether the bug found is valid or not.

Approximations done:
 - inttoptr



----------------------------------------
define void @nonnullAfterZExt(i8 %a) {
%entry:
  %b = zext i8 %a to i32
  %c = add nsw nuw i32 %b, 2
  %zext = zext i32 %c to i64
  %i2p = int2ptr i64 %zext to *
  call void @foo(* %i2p)
  ret void
}
=>
define void @nonnullAfterZExt(i8 %a) {
%entry:
  %b = zext i8 %a to i64
  %c = add nsw nuw i64 %b, 2
  %i2p = int2ptr i64 %c to *
  call void @foo(nonnull * %i2p)
  ret void
}
Transformation doesn't verify!
ERROR: Couldn't prove the correctness of the transformation
Alive2 approximated the semantics of the programs and therefore we
cannot conclude whether the bug found is valid or not.

Approximations done:
 - inttoptr
 - inttoptr



----------------------------------------
define void @nonnullAfterInt2Ptr(i32 %u, i64 %lu) {
%entry:
  %nz = sdiv exact i32 100, %u
  %i2p = int2ptr i32 %nz to *
  call void @foo(* %i2p)
  %nz.2 = sdiv exact i64 100, %lu
  %i2p.2 = int2ptr i64 %nz.2 to *
  call void @foo(* %i2p.2)
  ret void
}
=>
define void @nonnullAfterInt2Ptr(i32 %u, i64 %lu) {
%entry:
  %nz = sdiv exact i32 100, %u
  %0 = zext i32 %nz to i64
  %i2p = int2ptr i64 %0 to *
  call void @foo(nonnull * %i2p)
  %nz.2 = sdiv exact i64 100, %lu
  %i2p.2 = int2ptr i64 %nz.2 to *
  call void @foo(nonnull * %i2p.2)
  ret void
}
Transformation doesn't verify!
ERROR: Couldn't prove the correctness of the transformation
Alive2 approximated the semantics of the programs and therefore we
cannot conclude whether the bug found is valid or not.

Approximations done:
 - inttoptr
 - inttoptr



----------------------------------------
define void @nonnullAfterPtr2Int() {
%entry:
  %a = alloca i64 4, align 4
  %p2i = ptrtoint * %a to i64
  %i2p = int2ptr i64 %p2i to *
  call void @foo(* %i2p)
  ret void
}
=>
define void @nonnullAfterPtr2Int() {
%entry:
  %a = alloca i64 4, align 4
  %i2p = bitcast * %a to *
  call void @foo(nonnull * %i2p)
  ret void
}
Transformation doesn't verify!
ERROR: Source is more defined than target

Example:

Source:
* %a = pointer(local, block_id=4, offset=0)
i64 %p2i = #x8000000000000000 (9223372036854775808, -9223372036854775808)
* %i2p = pointer(non-local, block_id=0, offset=-2346676772369940628)

SOURCE MEMORY STATE
===================
NON-LOCAL BLOCKS:
Block 0 >	size: 0	align: 1	alloc type: 0	address: 0
Block 1 >	size: 63122977054597352	align: 1	alloc type: 0	address: 360296788411942688
Block 2 >	size: 4611690417016802304	align: 1	alloc type: 1	address: 0

LOCAL BLOCKS:
Block 4 >	size: 4	align: 4	alloc type: 1	address: 9223372036854775808

Target:
* %a = pointer(local, block_id=4, offset=0)
* %i2p = pointer(local, block_id=4, offset=0)

TARGET MEMORY STATE
===================
LOCAL BLOCKS:
Block 4 >	size: 4	align: 4	alloc type: 1	address: 9223372036854775808



------------------- SMT STATS -------------------
Num queries: 10
Num invalid: 0
Num skips:   0
Num trivial: 6 (37.5%)
Num timeout: 0 (0.0%)
Num errors:  0 (0.0%)
Num SAT:     10 (100.0%)
Num UNSAT:   0 (0.0%)

stderr:

+ : 'RUN: at line 1'
+ /home/nlopes/alive2/build/opt-alive.sh -instcombine -S
+ /home/nlopes/llvm/build/bin/FileCheck --allow-unused-prefixes=false /home/nlopes/llvm/llvm/test/Transforms/InstCombine/callsite_nonnull_args_through_casts.ll

Alive2: Transform doesn't verify; aborting!
FileCheck error: '<stdin>' is empty.
FileCheck command line:  /home/nlopes/llvm/build/bin/FileCheck --allow-unused-prefixes=false /home/nlopes/llvm/llvm/test/Transforms/InstCombine/callsite_nonnull_args_through_casts.ll

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