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llvm-mirror/test/TableGen/GlobalISelEmitterSkippedPatterns.td
Petar Avramovic 8865fe468c AMDGPU/GlobalISel/Emitter Recognize additional 'same operand checks'
The "name" of a non-leaf complex pattern (MY_PAT $op1, $op2) is
"MY_PAT:op1:op2" and the ones with same "name" represent same operand.
Add 'same operand check' for this case.

Differential Revision: https://reviews.llvm.org/D87351
2020-09-14 12:10:59 +02:00

30 lines
1.1 KiB
TableGen

// RUN: llvm-tblgen -warn-on-skipped-patterns -gen-global-isel -I %p/../../include %s -I %p/Common -o /dev/null 2>&1 | FileCheck %s
include "llvm/Target/Target.td"
include "GlobalISelEmitterCommon.td"
//===- Boiler plate target code -===//
def complex : Operand<i32>, ComplexPattern<i32, 2, "SelectComplexPattern", []> {
let MIOperandInfo = (ops i32imm, i32imm);
}
def gi_complex :
GIComplexOperandMatcher<s32, "selectComplexPattern">,
GIComplexPatternEquiv<complex>;
def complex_rr : Operand<i32>, ComplexPattern<i32, 2, "SelectComplexPatternRR", []> {
let MIOperandInfo = (ops GPR32, GPR32);
}
def gi_complex_rr :
GIComplexOperandMatcher<s32, "selectComplexPatternRR">,
GIComplexPatternEquiv<complex_rr>;
def INSN : I<(outs GPR32:$dst), (ins GPR32:$src1, complex:$src2), []>;
//===- Bail out when we define a variable twice wrt complex suboperands. -===//
// CHECK: warning: Skipped pattern: Error: Complex suboperand x referenced by different operands: complex_rr:x:y and complex_rr:x:z.
def : Pat<(add (complex_rr GPR32:$x, GPR32:$y),
(complex_rr GPR32:$x, GPR32:$z)),
(INSN GPR32:$z, complex:$y)>;