Skip to content

[AMDGPU] High VGPR emission tests. NFC. #157534

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
merged 2 commits into from
Sep 8, 2025
Merged

[AMDGPU] High VGPR emission tests. NFC. #157534

Changes from all commits
Commits
Show all changes
2 commits
Select commit Hold shift + click to select a range
29d75cf
[AMDGPU] High VGPR emission tests. NFC.
rampitec Sep 8, 2025
a54d2de
Merge branch 'main' into users/rampitec/09-08-_amdgpu_high_vgpr_emiss…
rampitec Sep 8, 2025
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
41 changes: 41 additions & 0 deletions llvm/test/CodeGen/AMDGPU/emit-high-vgprs.mir
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -0,0 +1,41 @@
# RUN: llc -mtriple=amdgcn -mcpu=gfx1250 -show-mc-encoding -start-before=amdgpu-resource-usage -o - %s | FileCheck -check-prefix=GCN %s

# GCN-LABEL: {{^}}high_vgprs:
---
name: high_vgprs
tracksRegLiveness: true
body: |
bb.0:

; GCN: v_mov_b32_e32 v0 /*v256*/, v255 /*v511*/ ; encoding: [0xff,0x03,0x00,0x7e]
$vgpr256 = V_MOV_B32_e32 undef $vgpr511, implicit $exec

; GCN: v_mov_b32_e32 v0, v255 ; encoding: [0xff,0x03,0x00,0x7e]
$vgpr0 = V_MOV_B32_e32 undef $vgpr255, implicit $exec

; GCN: v_fma_f32 v3 /*v259*/, v4 /*v260*/, v5 /*v261*/, v6 /*v262*/ ; encoding: [0x03,0x00,0x13,0xd6,0x04,0x0b,0x1a,0x04]
$vgpr259 = V_FMA_F32_e64 0, undef $vgpr260, 0, undef $vgpr261, 0, undef $vgpr262, 0, 0, implicit $exec, implicit $mode

; GCN: v_fma_f32 v3, v4, v5, v6 ; encoding: [0x03,0x00,0x13,0xd6,0x04,0x0b,0x1a,0x04]
$vgpr3 = V_FMA_F32_e64 0, undef $vgpr4, 0, undef $vgpr5, 0, undef $vgpr6, 0, 0, implicit $exec, implicit $mode

; GCN: v_mqsad_u32_u8 v[254:257], v[0:1] /*v[256:257]*/, v0 /*v256*/, v[244:247] /*v[500:503]*/ ; encoding: [0xfe,0x00,0x3d,0xd6,0x00,0x01,0xd2,0x07]
$vgpr254_vgpr255_vgpr256_vgpr257 = V_MQSAD_U32_U8_e64 $vgpr256_vgpr257, $vgpr256, undef $vgpr500_vgpr501_vgpr502_vgpr503, 0, implicit $exec

; GCN: v_mqsad_u32_u8 v[254:257], v[0:1], v0, v[244:247] ; encoding: [0xfe,0x00,0x3d,0xd6,0x00,0x01,0xd2,0x07]
$vgpr254_vgpr255_vgpr256_vgpr257 = V_MQSAD_U32_U8_e64 $vgpr0_vgpr1, $vgpr0, undef $vgpr244_vgpr245_vgpr246_vgpr247, 0, implicit $exec

; GCN: v_mqsad_u32_u8 v[0:3] /*v[256:259]*/, v[0:1] /*v[256:257]*/, v0 /*v256*/, v[244:247] /*v[500:503]*/ ; encoding: [0x00,0x00,0x3d,0xd6,0x00,0x01,0xd2,0x07]
$vgpr256_vgpr257_vgpr258_vgpr259 = V_MQSAD_U32_U8_e64 $vgpr256_vgpr257, $vgpr256, undef $vgpr500_vgpr501_vgpr502_vgpr503, 0, implicit $exec

; GCN: v_mqsad_u32_u8 v[0:3], v[0:1], v0, v[244:247] ; encoding: [0x00,0x00,0x3d,0xd6,0x00,0x01,0xd2,0x07]
$vgpr0_vgpr1_vgpr2_vgpr3 = V_MQSAD_U32_U8_e64 $vgpr0_vgpr1, $vgpr0, undef $vgpr244_vgpr245_vgpr246_vgpr247, 0, implicit $exec

; GCN: v_mul_f32_e64 v0 /*v256*/, -v1 /*v257*/, |v2 /*v258*/| ; encoding: [0x00,0x02,0x08,0xd5,0x01,0x05,0x02,0x20]
$vgpr256 = V_MUL_F32_e64 1, $vgpr257, 2, $vgpr258, 0, 0, implicit $exec, implicit $mode

; GCN: v_mul_f32_e64 v0, -v1, |v2| ; encoding: [0x00,0x02,0x08,0xd5,0x01,0x05,0x02,0x20]
$vgpr0 = V_MUL_F32_e64 1, $vgpr1, 2, $vgpr2, 0, 0, implicit $exec, implicit $mode

; GCN: NumVgprs: 512
...