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TheRock/compiler/amd-llvm/mlir/test/Conversion/MemRefToLLVM/convert-alloca-scope.mlir
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52 lines
1.3 KiB
MLIR

// RUN: mlir-opt -finalize-memref-to-llvm %s | FileCheck %s
// CHECK-LABEL: @empty
func.func @empty() {
// CHECK: llvm.intr.stacksave
// CHECK: llvm.br
memref.alloca_scope {
memref.alloca_scope.return
}
// CHECK: llvm.intr.stackrestore
// CHECK: llvm.br
return
}
// CHECK-LABEL: @returns_nothing
func.func @returns_nothing(%b: f32) {
%a = arith.constant 10.0 : f32
// CHECK: llvm.intr.stacksave
memref.alloca_scope {
%c = arith.addf %a, %b : f32
memref.alloca_scope.return
}
// CHECK: llvm.intr.stackrestore
return
}
// CHECK-LABEL: @returns_one_value
func.func @returns_one_value(%b: f32) -> f32 {
%a = arith.constant 10.0 : f32
// CHECK: llvm.intr.stacksave
%result = memref.alloca_scope -> f32 {
%c = arith.addf %a, %b : f32
memref.alloca_scope.return %c: f32
}
// CHECK: llvm.intr.stackrestore
return %result : f32
}
// CHECK-LABEL: @returns_multiple_values
func.func @returns_multiple_values(%b: f32) -> f32 {
%a = arith.constant 10.0 : f32
// CHECK: llvm.intr.stacksave
%result1, %result2 = memref.alloca_scope -> (f32, f32) {
%c = arith.addf %a, %b : f32
%d = arith.subf %a, %b : f32
memref.alloca_scope.return %c, %d: f32, f32
}
// CHECK: llvm.intr.stackrestore
%result = arith.addf %result1, %result2 : f32
return %result : f32
}