Test source: git
Comments: Alive#345
Source: <stdin> ERROR: Unsupported attribute: noalias ERROR: Unsupported attribute: noalias ERROR: Unsupported attribute: noalias ERROR: Unsupported attribute: noalias ERROR: Unsupported attribute: noalias ---------------------------------------- define void @copy(ptr %src, ptr %dst) { %0: %1 = load {ptr, i8, i24, i32}, ptr %src, align 8 store {ptr, i8, i24, i32} %1, ptr %dst, align 8 ret void } => define void @copy(ptr %src, ptr %dst) { %0: %1 = bitcast ptr %dst to ptr %2 = bitcast ptr %src to ptr memmove ptr %1 align 8, ptr %2 align 8, i64 16 ret void } Transformation seems to be correct! ERROR: Unsupported attribute: noalias ERROR: Unsupported attribute: noalias ---------------------------------------- define void @destroysrc(ptr %src, ptr %dst) { %0: %1 = load {ptr, i8, i24, i32}, ptr %src, align 8 store {ptr, i8, i24, i32} { null, 0, [padding], 0 }, ptr %src, align 8 store {ptr, i8, i24, i32} %1, ptr %dst, align 8 ret void } => define void @destroysrc(ptr %src, ptr %dst) { %0: %1 = load {ptr, i8, i24, i32}, ptr %src, align 8 %2 = bitcast ptr %src to ptr memset ptr %2 align 8, i8 0, i64 16 store {ptr, i8, i24, i32} %1, ptr %dst, align 8 ret void } Transformation doesn't verify! ERROR: SMT Error: smt tactic failed to show goal to be sat/unsat (incomplete lambdas) ERROR: Unsupported attribute: noalias ---------------------------------------- define void @copyalias(ptr %src, ptr %dst) { %0: %1 = load {ptr, i8, i24, i32}, ptr %src, align 8 %2 = load {ptr, i8, i24, i32}, ptr %src, align 8 store {ptr, i8, i24, i32} %1, ptr %dst, align 8 store {ptr, i8, i24, i32} %2, ptr %dst, align 8 ret void } => define void @copyalias(ptr %src, ptr %dst) { %0: %1 = load {ptr, i8, i24, i32}, ptr %src, align 8 %2 = bitcast ptr %dst to ptr %3 = bitcast ptr %src to ptr memmove ptr %2 align 8, ptr %3 align 8, i64 16 store {ptr, i8, i24, i32} %1, ptr %dst, align 8 ret void } Transformation seems to be correct! ---------------------------------------- define void @addrproducer(ptr %src, ptr %dst) { %0: %1 = load {ptr, i8, i24, i32}, ptr %src, align 8 store {ptr, i8, i24, i32} undef, ptr %dst, align 8 %dst2 = gep ptr %dst, 16 x i64 1 store {ptr, i8, i24, i32} %1, ptr %dst2, align 8 ret void } => define void @addrproducer(ptr %src, ptr %dst) { %0: %1 = bitcast ptr %dst to ptr %dst2 = gep ptr %dst, 16 x i64 1 %2 = bitcast ptr %dst2 to ptr %3 = bitcast ptr %src to ptr memmove ptr %2 align 8, ptr %3 align 8, i64 16 memset ptr %1 align 8, i8 undef, i64 16 ret void } Transformation doesn't verify! ERROR: Mismatch in memory Example: ptr %src = pointer(non-local, block_id=1, offset=0) ptr %dst = pointer(non-local, block_id=2, offset=0) Source: {ptr, i8, i24, i32} %1 = { poison, poison, poison, poison } ptr %dst2 = pointer(non-local, block_id=2, offset=16) SOURCE MEMORY STATE =================== NON-LOCAL BLOCKS: Block 0 > size: 0 align: 1 alloc type: 0 Block 1 > size: 65 align: 256 alloc type: 0 Block 2 > size: 129 align: 4294967296 alloc type: 0 Block 3 > align: 2 alloc type: 0 Target: ptr %1 = pointer(non-local, block_id=2, offset=0) ptr %dst2 = pointer(non-local, block_id=2, offset=16) ptr %2 = pointer(non-local, block_id=2, offset=16) ptr %3 = pointer(non-local, block_id=1, offset=0) Mismatch in pointer(non-local, block_id=2, offset=0) Source value: null, byte offset=0 Target value: #x40 ------------------- SMT STATS ------------------- Num queries: 20 Num invalid: 0 Num skips: 0 Num trivial: 23 (53.5%) Num timeout: 0 (0.0%) Num errors: 1 (5.0%) Num SAT: 13 (65.0%) Num UNSAT: 6 (30.0%) Alive2: Transform doesn't verify; aborting!
+ : 'RUN: at line 2' + /home/nuno/alive2/build/opt-alive.sh -memcpyopt -S -verify-memoryssa + /home/nuno/llvm/build/bin/FileCheck /home/nuno/llvm/llvm/test/Transforms/MemCpyOpt/fca2memcpy.ll FileCheck error: '<stdin>' is empty. FileCheck command line: /home/nuno/llvm/build/bin/FileCheck /home/nuno/llvm/llvm/test/Transforms/MemCpyOpt/fca2memcpy.ll