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// RUN: mlir-opt -convert-to-spirv="run-signature-conversion=false" %s | FileCheck %s
// CHECK-LABEL: @if_yield
// CHECK: %[[VAR:.*]] = spirv.Variable : !spirv.ptr<f32, Function>
// CHECK: spirv.mlir.selection {
// CHECK-NEXT: spirv.BranchConditional {{%.*}}, [[TRUE:\^.*]], [[FALSE:\^.*]]
// CHECK-NEXT: [[TRUE]]:
// CHECK: %[[C0TRUE:.*]] = spirv.Constant 0.000000e+00 : f32
// CHECK: %[[RETTRUE:.*]] = spirv.Constant 0.000000e+00 : f32
// CHECK-DAG: spirv.Store "Function" %[[VAR]], %[[RETTRUE]] : f32
// CHECK: spirv.Branch ^[[MERGE:.*]]
// CHECK-NEXT: [[FALSE]]:
// CHECK: %[[C0FALSE:.*]] = spirv.Constant 1.000000e+00 : f32
// CHECK: %[[RETFALSE:.*]] = spirv.Constant 2.71828175 : f32
// CHECK-DAG: spirv.Store "Function" %[[VAR]], %[[RETFALSE]] : f32
// CHECK: spirv.Branch ^[[MERGE]]
// CHECK-NEXT: ^[[MERGE]]:
// CHECK: spirv.mlir.merge
// CHECK-NEXT: }
// CHECK-DAG: %[[OUT:.*]] = spirv.Load "Function" %[[VAR]] : f32
// CHECK: spirv.ReturnValue %[[OUT]] : f32
func.func @if_yield(%arg0: i1) -> f32 {
%0 = scf.if %arg0 -> f32 {
%c0 = arith.constant 0.0 : f32
%res = math.sqrt %c0 : f32
scf.yield %res : f32
} else {
%c0 = arith.constant 1.0 : f32
%res = math.exp %c0 : f32
scf.yield %res : f32
}
return %0 : f32
}
// CHECK-LABEL: @while
func.func @while(%arg0: i32, %arg1: i32) -> i32 {
%c2_i32 = arith.constant 2 : i32
%0 = scf.while (%arg3 = %arg0) : (i32) -> (i32) {
%1 = arith.cmpi slt, %arg3, %arg1 : i32
scf.condition(%1) %arg3 : i32
} do {
^bb0(%arg5: i32):
%1 = arith.muli %arg5, %c2_i32 : i32
scf.yield %1 : i32
}
return %0 : i32
}
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