File: multiple-output-discard.td

package info (click to toggle)
llvm-toolchain-21 1%3A21.1.6-3
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid
  • size: 2,245,028 kB
  • sloc: cpp: 7,619,726; ansic: 1,434,018; asm: 1,058,748; python: 252,740; f90: 94,671; objc: 70,685; lisp: 42,813; pascal: 18,401; sh: 8,601; ml: 5,111; perl: 4,720; makefile: 3,675; awk: 3,523; javascript: 2,409; xml: 892; fortran: 770
file content (43 lines) | stat: -rw-r--r-- 2,297 bytes parent folder | download | duplicates (5)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
// RUN: llvm-tblgen -gen-global-isel -optimize-match-table=false -warn-on-skipped-patterns -I %p/../../../include -I %p/../Common %s | FileCheck %s

include "llvm/Target/Target.td"
include "GlobalISelEmitterCommon.td"

// Verify that patterns will add temp registers if NumDstDef > NumSrcDef when NumSrcDef >= 1
// and that these temp registers are marked as dead
// Note: This is an extension of the test GlobalISelEmitter-output-discard.td

def THREE_OUTS : I<(outs GPR32:$out1, GPR32:$out2, GPR32:$out3), (ins GPR32:$in1), []>;

def SDTTwoOut : SDTypeProfile<2, 1, [
  SDTCisInt<0>, SDTCisInt<1>
]>;
def two_out : SDNode<"MyTgt::ONE_OUT", SDTTwoOut, []>;
def G_TWO_OUT : MyTargetGenericInstruction{
  let OutOperandList = (outs type0:$out1, type0:$out2);
  let InOperandList = (ins type0:$in);
}
def : GINodeEquiv<G_TWO_OUT, two_out>;

def : Pat<(two_out GPR32:$val), (THREE_OUTS GPR32:$val)>;

// CHECK:      GIM_CheckOpcode, /*MI*/0, GIMT_Encode2(MyTarget::G_TWO_OUT),
// CHECK-NEXT: // MIs[0] DstI[out1]
// CHECK-NEXT: GIM_RootCheckType, /*Op*/0, /*Type*/GILLT_s32,
// CHECK-NEXT: GIM_RootCheckRegBankForClass, /*Op*/0, /*RC*/GIMT_Encode2(MyTarget::GPR32RegClassID),
// CHECK-NEXT: // MIs[0] DstI[out2]
// CHECK-NEXT: GIM_RootCheckType, /*Op*/1, /*Type*/GILLT_s32,
// CHECK-NEXT: GIM_RootCheckRegBankForClass, /*Op*/1, /*RC*/GIMT_Encode2(MyTarget::GPR32RegClassID),
// CHECK-NEXT: // MIs[0] val
// CHECK-NEXT: GIM_RootCheckType, /*Op*/2, /*Type*/GILLT_s32,
// CHECK-NEXT: GIM_RootCheckRegBankForClass, /*Op*/2, /*RC*/GIMT_Encode2(MyTarget::GPR32RegClassID),
// CHECK-NEXT: // (two_out:{ *:[i32] }:{ *:[i32] } GPR32:{ *:[i32] }:$val)  =>  (THREE_OUTS:{ *:[i32] }:{ *:[i32] }:{ *:[i32] } GPR32:{ *:[i32] }:$val)
// CHECK-NEXT: GIR_MakeTempReg, /*TempRegID*/0, /*TypeID*/GILLT_s32,
// CHECK-NEXT: GIR_BuildRootMI, /*Opcode*/GIMT_Encode2(MyTarget::THREE_OUTS),
// CHECK-NEXT: GIR_RootToRootCopy, /*OpIdx*/0, // DstI[out1]
// CHECK-NEXT: GIR_RootToRootCopy, /*OpIdx*/1, // DstI[out2]
// CHECK-NEXT: GIR_AddTempRegister, /*InsnID*/0, /*TempRegID*/0, /*TempRegFlags*/GIMT_Encode2(RegState::Define|RegState::Dead),
// CHECK-NEXT: GIR_RootToRootCopy, /*OpIdx*/2, // val
// CHECK-NEXT: GIR_RootConstrainSelectedInstOperands,
// CHECK-NEXT: // GIR_Coverage
// CHECK-NEXT: GIR_EraseRootFromParent_Done,