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| // RUN: polymer-opt %s -fold-scf-if -reg2mem -extract-scop-stmt | FileCheck %s | ||
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| func @encrypt(%Sbox: memref<?x16xi32>, %statemt: memref<?xi32>) { | ||
| %c1_i32 = arith.constant 1 : i32 | ||
| %c4_i32 = arith.constant 4 : i32 | ||
| %c15_i32 = arith.constant 15 : i32 | ||
| %c8_i32 = arith.constant 8 : i32 | ||
| %c283_i32 = arith.constant 283 : i32 | ||
| %ret = memref.alloca() : memref<1024xi32> | ||
| affine.for %arg2 = 1 to 5 { | ||
| affine.for %arg3 = 0 to 16 { | ||
| %1 = affine.load %statemt[%arg3 * 4] : memref<?xi32> | ||
| %2 = arith.shrsi %1, %c4_i32 : i32 | ||
| %3 = arith.index_cast %2 : i32 to index | ||
| %4 = arith.andi %1, %c15_i32 : i32 | ||
| %5 = arith.index_cast %4 : i32 to index | ||
| %6 = memref.load %Sbox[%3, %5] : memref<?x16xi32> | ||
| affine.store %6, %statemt[%arg3 * 4] : memref<?xi32> | ||
| } | ||
| affine.for %arg3 = 0 to 1023 { | ||
| %1 = affine.load %statemt[%arg3] : memref<?xi32> | ||
| %2 = arith.shli %1, %c1_i32 : i32 | ||
| affine.store %2, %ret[%arg3] : memref<1024xi32> | ||
| %3 = arith.shrsi %2, %c8_i32 : i32 | ||
| %4 = arith.cmpi eq, %3, %c1_i32 : i32 | ||
| scf.if %4 { | ||
| %10 = arith.xori %2, %c283_i32 : i32 | ||
| affine.store %10, %ret[%arg3] : memref<1024xi32> | ||
| } | ||
| %5 = affine.load %statemt[%arg3 + 1] : memref<?xi32> | ||
| %6 = arith.shli %5, %c1_i32 : i32 | ||
| %7 = arith.xori %5, %6 : i32 | ||
| %8 = arith.shrsi %7, %c8_i32 : i32 | ||
| %9 = arith.cmpi eq, %8, %c1_i32 : i32 | ||
| scf.if %9 { | ||
| %10 = arith.xori %7, %c283_i32 : i32 | ||
| %11 = affine.load %ret[%arg3] : memref<1024xi32> | ||
| %12 = arith.xori %11, %10 : i32 | ||
| affine.store %12, %ret[%arg3] : memref<1024xi32> | ||
| } else { | ||
| %10 = affine.load %ret[%arg3] : memref<1024xi32> | ||
| %11 = arith.xori %10, %7 : i32 | ||
| affine.store %11, %ret[%arg3] : memref<1024xi32> | ||
| } | ||
| } | ||
| affine.for %arg3 = 0 to 1024 { | ||
| %1 = affine.load %ret[%arg3] : memref<1024xi32> | ||
| affine.store %1, %statemt[%arg3] : memref<?xi32> | ||
| } | ||
| } | ||
| return | ||
| } | ||
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| // CHECK: func private @S0(%[[statemt:.*]]: memref<?xi32>, %[[i:.*]]: index, %[[Sbox:.*]]: memref<?x16xi32>) attributes {scop.stmt} | ||
| // CHECK-NEXT: %[[c15_i32:.*]] = arith.constant 15 : i32 | ||
| // CHECK-NEXT: %[[c4_i32:.*]] = arith.constant 4 : i32 | ||
| // CHECK-NEXT: %[[v0:.*]] = affine.load %[[statemt]][symbol(%[[i]]) * 4] : memref<?xi32> | ||
| // CHECK-NEXT: %[[v1:.*]] = arith.shrsi %[[v0]], %[[c4_i32]] : i32 | ||
| // CHECK-NEXT: %[[v2:.*]] = arith.index_cast %[[v1]] : i32 to index | ||
| // CHECK-NEXT: %[[v3:.*]] = arith.andi %[[v0]], %[[c15_i32]] : i32 | ||
| // CHECK-NEXT: %[[v4:.*]] = arith.index_cast %[[v3]] : i32 to index | ||
| // CHECK-NEXT: %[[v5:.*]] = memref.load %[[Sbox]][%[[v2]], %[[v4]]] : memref<?x16xi32> | ||
| // CHECK-NEXT: affine.store %[[v5]], %[[statemt]][symbol(%[[i]]) * 4] : memref<?xi32> | ||
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| // CHECK: func private @S1(%[[i:.*]]: index, %[[ret:.*]]: memref<1024xi32>, %[[statemt:.*]]: memref<?xi32>) attributes {scop.stmt} | ||
| // CHECK-NEXT: %[[c1_i32:.*]] = arith.constant 1 : i32 | ||
| // CHECK-NEXT: %[[v0:.*]] = affine.load %[[statemt]][symbol(%[[i]])] : memref<?xi32> | ||
| // CHECK-NEXT: %[[v1:.*]] = arith.shli %[[v0]], %[[c1_i32]] : i32 | ||
| // CHECK-NEXT: affine.store %[[v1]], %[[ret]][symbol(%[[i]])] : memref<1024xi32> | ||
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| // CHECK: func private @S2(%[[i:.*]]: index, %[[ret:.*]]: memref<1024xi32>) attributes {scop.stmt} | ||
| // CHECK: %[[c283_i32:.*]] = arith.constant 283 : i32 | ||
| // CHECK: %[[c1_i32:.*]] = arith.constant 1 : i32 | ||
| // CHECK: %[[c8_i32:.*]] = arith.constant 8 : i32 | ||
| // CHECK: %[[v0:.*]] = affine.load %[[ret]][symbol(%[[i]])] : memref<1024xi32> | ||
| // CHECK: %[[v1:.*]] = arith.shrsi %[[v0]], %[[c8_i32]] : i32 | ||
| // CHECK: %[[v2:.*]] = arith.cmpi eq, %[[v1]], %[[c1_i32]] : i32 | ||
| // CHECK: %[[v3:.*]] = arith.xori %[[v0]], %[[c283_i32]] : i32 | ||
| // CHECK: %[[v4:.*]] = affine.load %[[ret]][symbol(%[[i]])] : memref<1024xi32> | ||
| // CHECK: %[[v5:.*]] = select %[[v2]], %[[v3]], %[[v4]] : i32 | ||
| // CHECK: affine.store %[[v5]], %[[ret]][symbol(%[[i]])] : memref<1024xi32> | ||
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| // CHECK: func private @S3(%[[i:.*]]: index, %[[ret:.*]]: memref<1024xi32>, %[[statemt]]: memref<?xi32>) attributes {scop.stmt} | ||
| // CHECK-NEXT: %[[c283_i32:.*]] = arith.constant 283 : i32 | ||
| // CHECK-NEXT: %[[c1_i32:.*]] = arith.constant 1 : i32 | ||
| // CHECK-NEXT: %[[c8_i32:.*]] = arith.constant 8 : i32 | ||
| // CHECK-NEXT: %[[v0:.*]] = affine.load %[[ret]][symbol(%[[i]])] : memref<1024xi32> | ||
| // CHECK-NEXT: %[[v1:.*]] = affine.load %[[ret]][symbol(%[[i]])] : memref<1024xi32> | ||
| // CHECK-NEXT: %[[v2:.*]] = affine.load %[[statemt]][symbol(%[[i]]) + 1] : memref<?xi32> | ||
| // CHECK-NEXT: %[[v3:.*]] = arith.shli %[[v2]], %[[c1_i32]] : i32 | ||
| // CHECK-NEXT: %[[v4:.*]] = arith.xori %[[v2]], %[[v3]] : i32 | ||
| // CHECK-NEXT: %[[v5:.*]] = arith.shrsi %[[v4]], %[[c8_i32]] : i32 | ||
| // CHECK-NEXT: %[[v6:.*]] = arith.cmpi eq, %[[v5]], %[[c1_i32]] : i32 | ||
| // CHECK-NEXT: %[[v7:.*]] = arith.xori %[[v4]], %[[c283_i32]] : i32 | ||
| // CHECK-NEXT: %[[v8:.*]] = arith.xori %[[v0]], %[[v7]] : i32 | ||
| // CHECK-NEXT: %[[v9:.*]] = arith.xori %[[v1]], %[[v4]] : i32 | ||
| // CHECK-NEXT: %[[v10:.*]] = select %[[v6]], %[[v8]], %[[v9]] : i32 | ||
| // CHECK-NEXT: affine.store %[[v10]], %[[ret]][symbol(%[[i]])] : memref<1024xi32> | ||
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| // CHECK: func private @S4(%[[statemt:.*]]: memref<?xi32>, %[[i:.*]]: index, %[[ret:.*]]: memref<1024xi32>) attributes {scop.stmt} | ||
| // CHECK-NEXT: %[[v0:.*]] = affine.load %[[ret]][symbol(%[[i]])] : memref<1024xi32> | ||
| // CHECK-NEXT: affine.store %[[v0]], %[[statemt]][symbol(%[[i]])] : memref<?xi32> | ||
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| // CHECK: func @encrypt(%[[Sbox:.*]]: memref<?x16xi32>, %[[statemt:.*]]: memref<?xi32>) | ||
| // CHECK: %[[ret:.*]] = memref.alloca() : memref<1024xi32> | ||
| // CHECK: affine.for %[[i:.*]] = 1 to 5 | ||
| // CHECK: affine.for %[[j:.*]] = 0 to 16 | ||
| // CHECK: call @S0(%[[statemt]], %[[j]], %[[Sbox]]) : (memref<?xi32>, index, memref<?x16xi32>) -> () | ||
| // CHECK: affine.for %[[j:.*]] = 0 to 1023 | ||
| // CHECK: call @S1(%[[j]], %[[ret]], %[[statemt]]) : (index, memref<1024xi32>, memref<?xi32>) -> () | ||
| // CHECK: call @S2(%[[j]], %[[ret]]) : (index, memref<1024xi32>) -> () | ||
| // CHECK: call @S3(%[[j]], %[[ret]], %[[statemt]]) : (index, memref<1024xi32>, memref<?xi32>) -> () | ||
| // CHECK: affine.for %[[j:.*]] = 0 to 1024 | ||
| // CHECK: call @S4(%[[statemt]], %[[j]], %[[ret]]) : (memref<?xi32>, index, memref<1024xi32>) -> () |