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TheRock/compiler/amd-llvm/mlir/test/Transforms/scf-if-utils.mlir
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derek.holloway 7502bf64a4
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Flatten subprojects into a single base monorepo
2026-09-02 16:34:47 -07:00

103 lines
3.2 KiB
MLIR

// RUN: mlir-opt -allow-unregistered-dialect -test-scf-if-utils -split-input-file %s | FileCheck %s
// -----
// CHECK: func @outlined_then0(%{{.*}}: i1, %{{.*}}: memref<?xf32>) -> i8 {
// CHECK-NEXT: %{{.*}} = "some_op"(%{{.*}}, %{{.*}}) : (i1, memref<?xf32>) -> i8
// CHECK-NEXT: return %{{.*}} : i8
// CHECK-NEXT: }
// CHECK: func @outlined_else0(%{{.*}}: i8) -> i8 {
// CHECK-NEXT: return %{{.*}}0 : i8
// CHECK-NEXT: }
// CHECK: func @outline_if_else(
// CHECK-NEXT: %{{.*}} = scf.if %{{.*}} -> (i8) {
// CHECK-NEXT: %{{.*}} = func.call @outlined_then0(%{{.*}}, %{{.*}}) : (i1, memref<?xf32>) -> i8
// CHECK-NEXT: scf.yield %{{.*}} : i8
// CHECK-NEXT: } else {
// CHECK-NEXT: %{{.*}} = func.call @outlined_else0(%{{.*}}) : (i8) -> i8
// CHECK-NEXT: scf.yield %{{.*}} : i8
// CHECK-NEXT: }
// CHECK-NEXT: return
// CHECK-NEXT: }
func.func @outline_if_else(%cond: i1, %a: index, %b: memref<?xf32>, %c: i8) {
%r = scf.if %cond -> (i8) {
%r = "some_op"(%cond, %b) : (i1, memref<?xf32>) -> (i8)
scf.yield %r : i8
} else {
scf.yield %c : i8
}
return
}
// -----
// CHECK: func @outlined_then0(%{{.*}}: i1, %{{.*}}: memref<?xf32>) {
// CHECK-NEXT: "some_op"(%{{.*}}, %{{.*}}) : (i1, memref<?xf32>) -> ()
// CHECK-NEXT: return
// CHECK-NEXT: }
// CHECK: func @outline_if(
// CHECK-NEXT: scf.if %{{.*}} {
// CHECK-NEXT: func.call @outlined_then0(%{{.*}}, %{{.*}}) : (i1, memref<?xf32>) -> ()
// CHECK-NEXT: }
// CHECK-NEXT: return
// CHECK-NEXT: }
func.func @outline_if(%cond: i1, %a: index, %b: memref<?xf32>, %c: i8) {
scf.if %cond {
"some_op"(%cond, %b) : (i1, memref<?xf32>) -> ()
scf.yield
}
return
}
// -----
// CHECK: func @outlined_then0() {
// CHECK-NEXT: return
// CHECK-NEXT: }
// CHECK: func @outlined_else0(%{{.*}}: i1, %{{.*}}: memref<?xf32>) {
// CHECK-NEXT: "some_op"(%{{.*}}, %{{.*}}) : (i1, memref<?xf32>) -> ()
// CHECK-NEXT: return
// CHECK-NEXT: }
// CHECK: func @outline_empty_if_else(
// CHECK-NEXT: scf.if %{{.*}} {
// CHECK-NEXT: func.call @outlined_then0() : () -> ()
// CHECK-NEXT: } else {
// CHECK-NEXT: func.call @outlined_else0(%{{.*}}, %{{.*}}) : (i1, memref<?xf32>) -> ()
// CHECK-NEXT: }
// CHECK-NEXT: return
// CHECK-NEXT: }
func.func @outline_empty_if_else(%cond: i1, %a: index, %b: memref<?xf32>, %c: i8) {
scf.if %cond {
} else {
"some_op"(%cond, %b) : (i1, memref<?xf32>) -> ()
}
return
}
// -----
// This test checks scf utils can work on llvm func.
// CHECK: func @outlined_then0() {
// CHECK-NEXT: return
// CHECK-NEXT: }
// CHECK: func @outlined_else0(%{{.*}}: i1, %{{.*}}: i32) {
// CHECK-NEXT: "some_op"(%{{.*}}, %{{.*}}) : (i1, i32) -> ()
// CHECK-NEXT: return
// CHECK-NEXT: }
// CHECK: llvm.func @llvm_func(%{{.*}}: i1, %{{.*}}: i32) {
// CHECK-NEXT: scf.if %{{.*}} {
// CHECK-NEXT: func.call @outlined_then0() : () -> ()
// CHECK-NEXT: } else {
// CHECK-NEXT: func.call @outlined_else0(%{{.*}}, %{{.*}}) : (i1, i32) -> ()
// CHECK-NEXT: }
// CHECK-NEXT: llvm.return
// CHECK-NEXT: }
llvm.func @llvm_func(%cond: i1, %a: i32) {
scf.if %cond {
} else {
"some_op"(%cond, %a) : (i1, i32) -> ()
}
llvm.return
}