derek.holloway
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48 lines
2.3 KiB
MLIR
48 lines
2.3 KiB
MLIR
// RUN: mlir-opt %s -generate-runtime-verification \
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// RUN: -expand-strided-metadata \
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// RUN: -test-cf-assert \
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// RUN: -convert-to-llvm \
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// RUN: -reconcile-unrealized-casts | \
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// RUN: mlir-runner -e main -entry-point-result=void \
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// RUN: -shared-libs=%mlir_runner_utils 2>&1 | \
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// RUN: FileCheck %s
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// RUN: mlir-opt %s -generate-runtime-verification \
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// RUN: -expand-strided-metadata \
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// RUN: -test-cf-assert \
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// RUN: -convert-to-llvm="allow-pattern-rollback=0" \
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// RUN: -reconcile-unrealized-casts | \
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// RUN: mlir-runner -e main -entry-point-result=void \
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// RUN: -shared-libs=%mlir_runner_utils 2>&1 | \
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// RUN: FileCheck %s
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func.func @main() {
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// This buffer is properly aligned. There should be no error.
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// CHECK-NOT: ^ memref is not aligned to 8
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%alloc = memref.alloca() : memref<5xf64>
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%0 = memref.assume_alignment %alloc, 8 : memref<5xf64>
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// Construct a memref descriptor with a pointer that is not aligned to 4.
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// This cannot be done with just the memref dialect. We have to resort to
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// the LLVM dialect.
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%c0 = llvm.mlir.constant(0 : index) : i64
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%c1 = llvm.mlir.constant(1 : index) : i64
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%c3 = llvm.mlir.constant(3 : index) : i64
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%unaligned_ptr = llvm.inttoptr %c3 : i64 to !llvm.ptr
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%4 = llvm.mlir.poison : !llvm.struct<(ptr, ptr, i64, array<1 x i64>, array<1 x i64>)>
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%5 = llvm.insertvalue %unaligned_ptr, %4[0] : !llvm.struct<(ptr, ptr, i64, array<1 x i64>, array<1 x i64>)>
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%6 = llvm.insertvalue %unaligned_ptr, %5[1] : !llvm.struct<(ptr, ptr, i64, array<1 x i64>, array<1 x i64>)>
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%8 = llvm.insertvalue %c0, %6[2] : !llvm.struct<(ptr, ptr, i64, array<1 x i64>, array<1 x i64>)>
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%9 = llvm.insertvalue %c1, %8[3, 0] : !llvm.struct<(ptr, ptr, i64, array<1 x i64>, array<1 x i64>)>
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%10 = llvm.insertvalue %c1, %9[4, 0] : !llvm.struct<(ptr, ptr, i64, array<1 x i64>, array<1 x i64>)>
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%buffer = builtin.unrealized_conversion_cast %10 : !llvm.struct<(ptr, ptr, i64, array<1 x i64>, array<1 x i64>)> to memref<1xf32>
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// CHECK: ERROR: Runtime op verification failed
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// CHECK-NEXT: %[[ASSUME:.*]] = memref.assume_alignment %{{.*}}, 4 : memref<1xf32>
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// CHECK-NEXT: ^ memref is not aligned to 4
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// CHECK-NEXT: Location: loc({{.*}})
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%assume = memref.assume_alignment %buffer, 4 : memref<1xf32>
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return
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}
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