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TheRock/compiler/amd-llvm/llvm/test/CodeGen/X86/GlobalISel/select-merge-vec256.mir
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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

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# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
# RUN: llc -mtriple=x86_64-linux-gnu -mattr=+avx -run-pass=instruction-select -verify-machineinstrs %s -o - | FileCheck %s --check-prefix=AVX
# RUN: llc -mtriple=x86_64-linux-gnu -mattr=+avx512f,+avx512vl -run-pass=instruction-select -verify-machineinstrs %s -o - | FileCheck %s --check-prefix=AVX512VL
--- |
define void @test_merge() {
ret void
}
...
---
name: test_merge
#
alignment: 16
legalized: true
regBankSelected: true
#
registers:
- { id: 0, class: vecr }
- { id: 1, class: vecr }
#
body: |
bb.1 (%ir-block.0):
; AVX-LABEL: name: test_merge
; AVX: [[DEF:%[0-9]+]]:vr128 = IMPLICIT_DEF
; AVX-NEXT: [[DEF1:%[0-9]+]]:vr256 = IMPLICIT_DEF
; AVX-NEXT: [[INSERT_SUBREG:%[0-9]+]]:vr256 = INSERT_SUBREG [[DEF1]], [[DEF]], %subreg.sub_xmm
; AVX-NEXT: [[VINSERTF128rri:%[0-9]+]]:vr256 = VINSERTF128rri [[INSERT_SUBREG]], [[DEF]], 1
; AVX-NEXT: $ymm0 = COPY [[VINSERTF128rri]]
; AVX-NEXT: RET 0, implicit $ymm0
;
; AVX512VL-LABEL: name: test_merge
; AVX512VL: [[DEF:%[0-9]+]]:vr128x = IMPLICIT_DEF
; AVX512VL-NEXT: [[DEF1:%[0-9]+]]:vr256x = IMPLICIT_DEF
; AVX512VL-NEXT: [[INSERT_SUBREG:%[0-9]+]]:vr256x = INSERT_SUBREG [[DEF1]], [[DEF]], %subreg.sub_xmm
; AVX512VL-NEXT: [[VINSERTF32X4Z256rri:%[0-9]+]]:vr256x = VINSERTF32X4Z256rri [[INSERT_SUBREG]], [[DEF]], 1
; AVX512VL-NEXT: $ymm0 = COPY [[VINSERTF32X4Z256rri]]
; AVX512VL-NEXT: RET 0, implicit $ymm0
%0(<4 x s32>) = IMPLICIT_DEF
%1(<8 x s32>) = G_CONCAT_VECTORS %0(<4 x s32>), %0(<4 x s32>)
$ymm0 = COPY %1(<8 x s32>)
RET 0, implicit $ymm0
...