[llvm] [AMDGPU][NFC] Add occupancy checks for gfx950 and gfx1250 (PR #170392)
Changpeng Fang via llvm-commits
llvm-commits at lists.llvm.org
Tue Dec 2 15:55:04 PST 2025
https://github.com/changpeng updated https://github.com/llvm/llvm-project/pull/170392
>From e295041ee69582e543871c5ebe49dc31cf3b2ff2 Mon Sep 17 00:00:00 2001
From: Changpeng Fang <changpeng.fang at amd.com>
Date: Tue, 2 Dec 2025 15:49:18 -0800
Subject: [PATCH 1/2] [AMDGPU][NFC] Add occupancy checks for gfx950 and gfx1250
---
llvm/test/CodeGen/AMDGPU/occupancy-levels.ll | 82 ++++++++++++++++++++
1 file changed, 82 insertions(+)
diff --git a/llvm/test/CodeGen/AMDGPU/occupancy-levels.ll b/llvm/test/CodeGen/AMDGPU/occupancy-levels.ll
index d1ab92e1d48ff..7b6ed77e06e46 100644
--- a/llvm/test/CodeGen/AMDGPU/occupancy-levels.ll
+++ b/llvm/test/CodeGen/AMDGPU/occupancy-levels.ll
@@ -1,4 +1,5 @@
; RUN: llc -mtriple=amdgcn -mcpu=gfx900 -mattr=-xnack < %s | FileCheck --check-prefixes=GCN,GFX9 %s
+; RUN: llc -mtriple=amdgcn -mcpu=gfx950 -mattr=-xnack < %s | FileCheck --check-prefixes=GCN,GFX950 %s
; RUN: llc -mtriple=amdgcn -mcpu=gfx1010 -mattr=-xnack < %s | FileCheck --check-prefixes=GCN,GFX10,GFX10W32,GFX1010,GFX1010W32 %s
; RUN: llc -mtriple=amdgcn -mcpu=gfx1010 -mattr=-xnack -mattr=+wavefrontsize64 < %s | FileCheck --check-prefixes=GCN,GFX10,GFX10W64,GFX1010,GFX1010W64 %s
; RUN: llc -mtriple=amdgcn -mcpu=gfx1030 < %s | FileCheck --check-prefixes=GCN,GFX10,GFX10W32,GFX1030,GFX1030W32 %s
@@ -19,49 +20,60 @@
; RUN: llc -mtriple=amdgcn -mcpu=gfx1153 -mattr=+wavefrontsize64 < %s | FileCheck --check-prefixes=GCN,GFX1030,GFX1030W64 %s
; RUN: llc -mtriple=amdgcn -mcpu=gfx1200 < %s | FileCheck --check-prefixes=GCN,GFX1100,GFX1100W32 %s
; RUN: llc -mtriple=amdgcn -mcpu=gfx1200 -mattr=+wavefrontsize64 < %s | FileCheck --check-prefixes=GCN,GFX1100,GFX1100W64 %s
+; RUN: llc -mtriple=amdgcn -mcpu=gfx1250 < %s | FileCheck --check-prefixes=GCN,GFX1250 %s
; GCN-LABEL: {{^}}max_occupancy:
; GFX9: ; Occupancy: 10
+; GFX950: ; Occupancy: 8
; GFX1010: ; Occupancy: 20
; GFX1030: ; Occupancy: 16
; GFX1100: ; Occupancy: 16
+; GFX1250: ; Occupancy: 16
define amdgpu_kernel void @max_occupancy() #10 {
ret void
}
; GCN-LABEL: {{^}}limited_occupancy_3:
; GFX9: ; Occupancy: 3
+; GFX950: ; Occupancy: 3
; GFX10W64: ; Occupancy: 3
; GFX10W32: ; Occupancy: 4
; GFX1100W64: ; Occupancy: 3
; GFX1100W32: ; Occupancy: 5
+; GFX1250: ; Occupancy: 3
define amdgpu_kernel void @limited_occupancy_3() #0 {
ret void
}
; GCN-LABEL: {{^}}limited_occupancy_18:
; GFX9: ; Occupancy: 10
+; GFX950: ; Occupancy: 8
; GFX1010: ; Occupancy: 18
; GFX1030: ; Occupancy: 16
; GFX1100: ; Occupancy: 16
+; GFX1250: ; Occupancy: 16
define amdgpu_kernel void @limited_occupancy_18() #1 {
ret void
}
; GCN-LABEL: {{^}}limited_occupancy_19:
; GFX9: ; Occupancy: 10
+; GFX950: ; Occupancy: 8
; GFX1010: ; Occupancy: 20
; GFX1030: ; Occupancy: 16
; GFX1100: ; Occupancy: 16
+; GFX1250: ; Occupancy: 16
define amdgpu_kernel void @limited_occupancy_19() #2 {
ret void
}
; GCN-LABEL: {{^}}used_24_vgprs:
; GFX9: ; Occupancy: 10
+; GFX950: ; Occupancy: 8
; GFX1010: ; Occupancy: 20
; GFX1030: ; Occupancy: 16
; GFX1100: ; Occupancy: 16
+; GFX1250: ; Occupancy: 16
define amdgpu_kernel void @used_24_vgprs() #10 {
call void asm sideeffect "", "~{v23}" ()
ret void
@@ -69,10 +81,12 @@ define amdgpu_kernel void @used_24_vgprs() #10 {
; GCN-LABEL: {{^}}used_28_vgprs:
; GFX9: ; Occupancy: 9
+; GFX950: ; Occupancy: 8
; GFX1010W64: ; Occupancy: 18
; GFX1010W32: ; Occupancy: 20
; GFX1030: ; Occupancy: 16
; GFX1100: ; Occupancy: 16
+; GFX1250: ; Occupancy: 16
define amdgpu_kernel void @used_28_vgprs() #10 {
call void asm sideeffect "", "~{v27}" ()
ret void
@@ -80,10 +94,12 @@ define amdgpu_kernel void @used_28_vgprs() #10 {
; GCN-LABEL: {{^}}used_32_vgprs:
; GFX9: ; Occupancy: 8
+; GFX950: ; Occupancy: 8
; GFX10W64: ; Occupancy: 16
; GFX1010W32: ; Occupancy: 20
; GFX1030W32: ; Occupancy: 16
; GFX1100: ; Occupancy: 16
+; GFX1250: ; Occupancy: 16
define amdgpu_kernel void @used_32_vgprs() #10 {
call void asm sideeffect "", "~{v31}" ()
ret void
@@ -91,11 +107,13 @@ define amdgpu_kernel void @used_32_vgprs() #10 {
; GCN-LABEL: {{^}}used_36_vgprs:
; GFX9: ; Occupancy: 7
+; GFX950: ; Occupancy: 8
; GFX1010W64: ; Occupancy: 14
; GFX1010W32: ; Occupancy: 20
; GFX1030W64: ; Occupancy: 12
; GFX1030W32: ; Occupancy: 16
; GFX1100: ; Occupancy: 16
+; GFX1250: ; Occupancy: 16
define amdgpu_kernel void @used_36_vgprs() #10 {
call void asm sideeffect "", "~{v35}" ()
ret void
@@ -103,10 +121,12 @@ define amdgpu_kernel void @used_36_vgprs() #10 {
; GCN-LABEL: {{^}}used_40_vgprs:
; GFX9: ; Occupancy: 6
+; GFX950: ; Occupancy: 8
; GFX10W64: ; Occupancy: 12
; GFX1010W32: ; Occupancy: 20
; GFX1030W32: ; Occupancy: 16
; GFX1100: ; Occupancy: 16
+; GFX1250: ; Occupancy: 16
define amdgpu_kernel void @used_40_vgprs() #10 {
call void asm sideeffect "", "~{v39}" ()
ret void
@@ -114,11 +134,13 @@ define amdgpu_kernel void @used_40_vgprs() #10 {
; GCN-LABEL: {{^}}used_44_vgprs:
; GFX9: ; Occupancy: 5
+; GFX950: ; Occupancy: 8
; GFX1010W64: ; Occupancy: 11
; GFX1010W32: ; Occupancy: 20
; GFX1030W64: ; Occupancy: 10
; GFX1030W32: ; Occupancy: 16
; GFX1100: ; Occupancy: 16
+; GFX1250: ; Occupancy: 16
define amdgpu_kernel void @used_44_vgprs() #10 {
call void asm sideeffect "", "~{v43}" ()
ret void
@@ -126,10 +148,12 @@ define amdgpu_kernel void @used_44_vgprs() #10 {
; GCN-LABEL: {{^}}used_48_vgprs:
; GFX9: ; Occupancy: 5
+; GFX950: ; Occupancy: 8
; GFX10W64: ; Occupancy: 10
; GFX1010W32: ; Occupancy: 20
; GFX1030W32: ; Occupancy: 16
; GFX1100: ; Occupancy: 16
+; GFX1250: ; Occupancy: 16
define amdgpu_kernel void @used_48_vgprs() #10 {
call void asm sideeffect "", "~{v47}" ()
ret void
@@ -137,11 +161,13 @@ define amdgpu_kernel void @used_48_vgprs() #10 {
; GCN-LABEL: {{^}}used_56_vgprs:
; GFX9: ; Occupancy: 4
+; GFX950: ; Occupancy: 8
; GFX10W64: ; Occupancy: 9
; GFX1010W32: ; Occupancy: 18
; GFX1030W32: ; Occupancy: 16
; GFX1100W64: ; Occupancy: 12
; GFX1100W32: ; Occupancy: 16
+; GFX1250: ; Occupancy: 16
define amdgpu_kernel void @used_56_vgprs() #10 {
call void asm sideeffect "", "~{v55}" ()
ret void
@@ -149,10 +175,12 @@ define amdgpu_kernel void @used_56_vgprs() #10 {
; GCN-LABEL: {{^}}used_64_vgprs:
; GFX9: ; Occupancy: 4
+; GFX950: ; Occupancy: 8
; GFX10W64: ; Occupancy: 8
; GFX10W32: ; Occupancy: 16
; GFX1100W64: ; Occupancy: 10
; GFX1100W32: ; Occupancy: 16
+; GFX1250: ; Occupancy: 16
define amdgpu_kernel void @used_64_vgprs() #10 {
call void asm sideeffect "", "~{v63}" ()
ret void
@@ -160,11 +188,13 @@ define amdgpu_kernel void @used_64_vgprs() #10 {
; GCN-LABEL: {{^}}used_72_vgprs:
; GFX9: ; Occupancy: 3
+; GFX950: ; Occupancy: 7
; GFX10W64: ; Occupancy: 7
; GFX1010W32: ; Occupancy: 14
; GFX1030W32: ; Occupancy: 12
; GFX1100W64: ; Occupancy: 10
; GFX1100W32: ; Occupancy: 16
+; GFX1250: ; Occupancy: 12
define amdgpu_kernel void @used_72_vgprs() #10 {
call void asm sideeffect "", "~{v71}" ()
ret void
@@ -172,10 +202,12 @@ define amdgpu_kernel void @used_72_vgprs() #10 {
; GCN-LABEL: {{^}}used_80_vgprs:
; GFX9: ; Occupancy: 3
+; GFX950: ; Occupancy: 6
; GFX10W64: ; Occupancy: 6
; GFX10W32: ; Occupancy: 12
; GFX1100W64: ; Occupancy: 9
; GFX1100W32: ; Occupancy: 16
+; GFX1250: ; Occupancy: 12
define amdgpu_kernel void @used_80_vgprs() #10 {
call void asm sideeffect "", "~{v79}" ()
ret void
@@ -183,12 +215,14 @@ define amdgpu_kernel void @used_80_vgprs() #10 {
; GCN-LABEL: {{^}}used_84_vgprs:
; GFX9: ; Occupancy: 3
+; GFX950: ; Occupancy: 5
; GFX1010W64: ; Occupancy: 6
; GFX1010W32: ; Occupancy: 11
; GFX1030W64: ; Occupancy: 5
; GFX1030W32: ; Occupancy: 10
; GFX1100W64: ; Occupancy: 9
; GFX1100W32: ; Occupancy: 16
+; GFX1250: ; Occupancy: 10
define amdgpu_kernel void @used_84_vgprs() #10 {
call void asm sideeffect "", "~{v83}" ()
ret void
@@ -196,11 +230,13 @@ define amdgpu_kernel void @used_84_vgprs() #10 {
; GCN-LABEL: {{^}}used_88_vgprs:
; GFX9: ; Occupancy: 2
+; GFX950: ; Occupancy: 5
; GFX10W64: ; Occupancy: 5
; GFX1010W32: ; Occupancy: 11
; GFX1030W32: ; Occupancy: 10
; GFX1100W64: ; Occupancy: 8
; GFX1100W32: ; Occupancy: 16
+; GFX1250: ; Occupancy: 10
define amdgpu_kernel void @used_88_vgprs() #10 {
call void asm sideeffect "", "~{v87}" ()
ret void
@@ -208,10 +244,12 @@ define amdgpu_kernel void @used_88_vgprs() #10 {
; GCN-LABEL: {{^}}used_96_vgprs:
; GFX9: ; Occupancy: 2
+; GFX950: ; Occupancy: 5
; GFX10W64: ; Occupancy: 5
; GFX10W32: ; Occupancy: 10
; GFX1100W64: ; Occupancy: 8
; GFX1100W32: ; Occupancy: 16
+; GFX1250: ; Occupancy: 10
define amdgpu_kernel void @used_96_vgprs() #10 {
call void asm sideeffect "", "~{v95}" ()
ret void
@@ -219,11 +257,13 @@ define amdgpu_kernel void @used_96_vgprs() #10 {
; GCN-LABEL: {{^}}used_100_vgprs:
; GFX9: ; Occupancy: 2
+; GFX950: ; Occupancy: 4
; GFX1010W64: ; Occupancy: 5
; GFX1030W64: ; Occupancy: 4
; GFX10W32: ; Occupancy: 9
; GFX1100W64: ; Occupancy: 7
; GFX1100W32: ; Occupancy: 12
+; GFX1250: ; Occupancy: 9
define amdgpu_kernel void @used_100_vgprs() #10 {
call void asm sideeffect "", "~{v99}" ()
ret void
@@ -231,10 +271,12 @@ define amdgpu_kernel void @used_100_vgprs() #10 {
; GCN-LABEL: {{^}}used_112_vgprs:
; GFX9: ; Occupancy: 2
+; GFX950: ; Occupancy: 4
; GFX10W64: ; Occupancy: 4
; GFX10W32: ; Occupancy: 9
; GFX1100W64: ; Occupancy: 6
; GFX1100W32: ; Occupancy: 12
+; GFX1250: ; Occupancy: 9
define amdgpu_kernel void @used_112_vgprs() #10 {
call void asm sideeffect "", "~{v111}" ()
ret void
@@ -242,10 +284,12 @@ define amdgpu_kernel void @used_112_vgprs() #10 {
; GCN-LABEL: {{^}}used_128_vgprs:
; GFX9: ; Occupancy: 2
+; GFX950: ; Occupancy: 4
; GFX10W64: ; Occupancy: 4
; GFX10W32: ; Occupancy: 8
; GFX1100W64: ; Occupancy: 5
; GFX1100W32: ; Occupancy: 10
+; GFX1250: ; Occupancy: 8
define amdgpu_kernel void @used_128_vgprs() #10 {
call void asm sideeffect "", "~{v127}" ()
ret void
@@ -253,10 +297,12 @@ define amdgpu_kernel void @used_128_vgprs() #10 {
; GCN-LABEL: {{^}}used_144_vgprs:
; GFX9: ; Occupancy: 1
+; GFX950: ; Occupancy: 3
; GFX10W64: ; Occupancy: 3
; GFX10W32: ; Occupancy: 7
; GFX1100W64: ; Occupancy: 5
; GFX1100W32: ; Occupancy: 10
+; GFX1250: ; Occupancy: 7
define amdgpu_kernel void @used_144_vgprs() #10 {
call void asm sideeffect "", "~{v143}" ()
ret void
@@ -264,11 +310,13 @@ define amdgpu_kernel void @used_144_vgprs() #10 {
; GCN-LABEL: {{^}}used_168_vgprs:
; GFX9: ; Occupancy: 1
+; GFX950: ; Occupancy: 3
; GFX10W64: ; Occupancy: 3
; GFX1010W32: ; Occupancy: 6
; GFX1030W32: ; Occupancy: 5
; GFX1100W64: ; Occupancy: 4
; GFX1100W32: ; Occupancy: 9
+; GFX1250: ; Occupancy: 5
define amdgpu_kernel void @used_168_vgprs() #10 {
call void asm sideeffect "", "~{v167}" ()
ret void
@@ -276,11 +324,13 @@ define amdgpu_kernel void @used_168_vgprs() #10 {
; GCN-LABEL: {{^}}used_200_vgprs:
; GFX9: ; Occupancy: 1
+; GFX950: ; Occupancy: 2
; GFX10W64: ; Occupancy: 2
; GFX1010W32: ; Occupancy: 5
; GFX1030W32: ; Occupancy: 4
; GFX1100W64: ; Occupancy: 3
; GFX1100W32: ; Occupancy: 7
+; GFX1250: ; Occupancy: 4
define amdgpu_kernel void @used_200_vgprs() #10 {
call void asm sideeffect "", "~{v199}" ()
ret void
@@ -288,10 +338,12 @@ define amdgpu_kernel void @used_200_vgprs() #10 {
; GCN-LABEL: {{^}}used_256_vgprs:
; GFX9: ; Occupancy: 1
+; GFX950: ; Occupancy: 2
; GFX10W64: ; Occupancy: 2
; GFX10W32: ; Occupancy: 4
; GFX1100W64: ; Occupancy: 2
; GFX1100W32: ; Occupancy: 5
+; GFX1250: ; Occupancy: 4
define amdgpu_kernel void @used_256_vgprs() #10 {
call void asm sideeffect "", "~{v255}" ()
ret void
@@ -299,9 +351,11 @@ define amdgpu_kernel void @used_256_vgprs() #10 {
; GCN-LABEL: {{^}}used_80_sgprs:
; GFX9: ; Occupancy: 10
+; GFX950: ; Occupancy: 8
; GFX1010: ; Occupancy: 20
; GFX1030: ; Occupancy: 16
; GFX1100: ; Occupancy: 16
+; GFX1250: ; Occupancy: 16
define amdgpu_kernel void @used_80_sgprs() #10 {
call void asm sideeffect "", "~{s79}" ()
ret void
@@ -309,9 +363,11 @@ define amdgpu_kernel void @used_80_sgprs() #10 {
; GCN-LABEL: {{^}}used_88_sgprs:
; GFX9: ; Occupancy: 9
+; GFX950: ; Occupancy: 8
; GFX1010: ; Occupancy: 20
; GFX1030: ; Occupancy: 16
; GFX1100: ; Occupancy: 16
+; GFX1250: ; Occupancy: 16
define amdgpu_kernel void @used_88_sgprs() #10 {
call void asm sideeffect "", "~{s87}" ()
ret void
@@ -319,9 +375,11 @@ define amdgpu_kernel void @used_88_sgprs() #10 {
; GCN-LABEL: {{^}}used_100_sgprs:
; GFX9: ; Occupancy: 8
+; GFX950: ; Occupancy: 7
; GFX1010: ; Occupancy: 20
; GFX1030: ; Occupancy: 16
; GFX1100: ; Occupancy: 16
+; GFX1250: ; Occupancy: 16
define amdgpu_kernel void @used_100_sgprs() #10 {
call void asm sideeffect "", "~{s99}" ()
ret void
@@ -329,9 +387,11 @@ define amdgpu_kernel void @used_100_sgprs() #10 {
; GCN-LABEL: {{^}}used_101_sgprs:
; GFX9: ; Occupancy: 7
+; GFX950: ; Occupancy: 7
; GFX1010: ; Occupancy: 20
; GFX1030: ; Occupancy: 16
; GFX1100: ; Occupancy: 16
+; GFX1250: ; Occupancy: 16
define amdgpu_kernel void @used_101_sgprs() #10 {
call void asm sideeffect "", "~{s100}" ()
ret void
@@ -339,10 +399,12 @@ define amdgpu_kernel void @used_101_sgprs() #10 {
; GCN-LABEL: {{^}}used_lds_6552:
; GFX9: ; Occupancy: 8
+; GFX950: ; Occupancy: 8
; GFX1010W64: ; Occupancy: 20
; GFX1030W64: ; Occupancy: 16
; GFX10W32: ; Occupancy: 16
; GFX1100: ; Occupancy: 16
+; GFX1250: ; Occupancy: 16
@lds6552 = internal addrspace(3) global [6552 x i8] poison, align 4
define amdgpu_kernel void @used_lds_6552() {
store volatile i8 1, ptr addrspace(3) @lds6552
@@ -351,10 +413,12 @@ define amdgpu_kernel void @used_lds_6552() {
; GCN-LABEL: {{^}}used_lds_6556:
; GFX9: ; Occupancy: 8
+; GFX950: ; Occupancy: 8
; GFX1010W64: ; Occupancy: 20
; GFX1030W64: ; Occupancy: 16
; GFX10W32: ; Occupancy: 16
; GFX1100: ; Occupancy: 16
+; GFX1250: ; Occupancy: 16
@lds6556 = internal addrspace(3) global [6556 x i8] poison, align 4
define amdgpu_kernel void @used_lds_6556() {
store volatile i8 1, ptr addrspace(3) @lds6556
@@ -363,10 +427,12 @@ define amdgpu_kernel void @used_lds_6556() {
; GCN-LABEL: {{^}}used_lds_13112:
; GFX9: ; Occupancy: 8
+; GFX950: ; Occupancy: 8
; GFX1010W64: ; Occupancy: 20
; GFX1030W64: ; Occupancy: 16
; GFX10W32: ; Occupancy: 16
; GFX1100: ; Occupancy: 16
+; GFX1250: ; Occupancy: 16
@lds13112 = internal addrspace(3) global [13112 x i8] poison, align 4
define amdgpu_kernel void @used_lds_13112() {
store volatile i8 1, ptr addrspace(3) @lds13112
@@ -375,10 +441,12 @@ define amdgpu_kernel void @used_lds_13112() {
; GCN-LABEL: {{^}}used_lds_8252_max_group_size_64:
; GFX9: ; Occupancy: 2{{$}}
+; GFX950: ; Occupancy: 5{{$}}
; GFX10W64: ; Occupancy: 4{{$}}
; GFX10W32: ; Occupancy: 8{{$}}
; GFX1100W64: ; Occupancy: 4{{$}}
; GFX1100W32: ; Occupancy: 8{{$}}
+; GFX1250: ; Occupancy: 10
@lds8252 = internal addrspace(3) global [8252 x i8] poison, align 4
define amdgpu_kernel void @used_lds_8252_max_group_size_64() #3 {
store volatile i8 1, ptr addrspace(3) @lds8252
@@ -387,10 +455,12 @@ define amdgpu_kernel void @used_lds_8252_max_group_size_64() #3 {
; GCN-LABEL: {{^}}used_lds_8252_max_group_size_96:
; GFX9: ; Occupancy: 4{{$}}
+; GFX950: ; Occupancy: 8{{$}}
; GFX10W64: ; Occupancy: 8{{$}}
; GFX10W32: ; Occupancy: 12{{$}}
; GFX1100W64: ; Occupancy: 8{{$}}
; GFX1100W32: ; Occupancy: 12{{$}}
+; GFX1250: ; Occupancy: 12
define amdgpu_kernel void @used_lds_8252_max_group_size_96() #4 {
store volatile i8 1, ptr addrspace(3) @lds8252
ret void
@@ -398,10 +468,12 @@ define amdgpu_kernel void @used_lds_8252_max_group_size_96() #4 {
; GCN-LABEL: {{^}}used_lds_8252_max_group_size_128:
; GFX9: ; Occupancy: 4{{$}}
+; GFX950: ; Occupancy: 8{{$}}
; GFX10W64: ; Occupancy: 8{{$}}
; GFX10W32: ; Occupancy: 15{{$}}
; GFX1100W64: ; Occupancy: 8{{$}}
; GFX1100W32: ; Occupancy: 15{{$}}
+; GFX1250: ; Occupancy: 16
define amdgpu_kernel void @used_lds_8252_max_group_size_128() #5 {
store volatile i8 1, ptr addrspace(3) @lds8252
ret void
@@ -409,11 +481,13 @@ define amdgpu_kernel void @used_lds_8252_max_group_size_128() #5 {
; GCN-LABEL: {{^}}used_lds_8252_max_group_size_192:
; GFX9: ; Occupancy: 6{{$}}
+; GFX950: ; Occupancy: 8{{$}}
; GFX10W64: ; Occupancy: 12{{$}}
; GFX1010W32: ; Occupancy: 20{{$}}
; GFX1030W32: ; Occupancy: 15{{$}}
; GFX1100W64: ; Occupancy: 12{{$}}
; GFX1100W32: ; Occupancy: 15{{$}}
+; GFX1250: ; Occupancy: 15
define amdgpu_kernel void @used_lds_8252_max_group_size_192() #6 {
store volatile i8 1, ptr addrspace(3) @lds8252
ret void
@@ -421,11 +495,13 @@ define amdgpu_kernel void @used_lds_8252_max_group_size_192() #6 {
; GCN-LABEL: {{^}}used_lds_8252_max_group_size_256:
; GFX9: ; Occupancy: 7{{$}}
+; GFX950: ; Occupancy: 8{{$}}
; GFX10W64: ; Occupancy: 15{{$}}
; GFX1010W32: ; Occupancy: 20{{$}}
; GFX1030W32: ; Occupancy: 16{{$}}
; GFX1100W64: ; Occupancy: 15{{$}}
; GFX1100W32: ; Occupancy: 16{{$}}
+; GFX1250: ; Occupancy: 16
define amdgpu_kernel void @used_lds_8252_max_group_size_256() #7 {
store volatile i8 1, ptr addrspace(3) @lds8252
ret void
@@ -433,9 +509,11 @@ define amdgpu_kernel void @used_lds_8252_max_group_size_256() #7 {
; GCN-LABEL: {{^}}used_lds_8252_max_group_size_512:
; GFX9: ; Occupancy: 10{{$}}
+; GFX950: ; Occupancy: 8{{$}}
; GFX1010: ; Occupancy: 20{{$}}
; GFX1030: ; Occupancy: 16{{$}}
; GFX1100: ; Occupancy: 16{{$}}
+; GFX1250: ; Occupancy: 16
define amdgpu_kernel void @used_lds_8252_max_group_size_512() #8 {
store volatile i8 1, ptr addrspace(3) @lds8252
ret void
@@ -443,10 +521,12 @@ define amdgpu_kernel void @used_lds_8252_max_group_size_512() #8 {
; GCN-LABEL: {{^}}used_lds_8252_max_group_size_1024:
; GFX9: ; Occupancy: 8{{$}}
+; GFX950: ; Occupancy: 8{{$}}
; GFX1010W32: ; Occupancy: 16{{$}}
; GFX1010W64: ; Occupancy: 20{{$}}
; GFX1030: ; Occupancy: 16{{$}}
; GFX1100: ; Occupancy: 16{{$}}
+; GFX1250: ; Occupancy: 16
define amdgpu_kernel void @used_lds_8252_max_group_size_1024() #9 {
store volatile i8 1, ptr addrspace(3) @lds8252
ret void
@@ -454,8 +534,10 @@ define amdgpu_kernel void @used_lds_8252_max_group_size_1024() #9 {
; GCN-LABEL: {{^}}used_lds_8252_max_group_size_32:
; GFX9: ; Occupancy: 2{{$}}
+; GFX950: ; Occupancy: 5{{$}}
; GFX10: ; Occupancy: 4{{$}}
; GFX1100: ; Occupancy: 4{{$}}
+; GFX1250: ; Occupancy: 10
define amdgpu_kernel void @used_lds_8252_max_group_size_32() #10 {
store volatile i8 1, ptr addrspace(3) @lds8252
ret void
>From 964adea800a5ea7767c7b71e805f388f6412b2d5 Mon Sep 17 00:00:00 2001
From: Changpeng Fang <changpeng.fang at amd.com>
Date: Tue, 2 Dec 2025 15:54:36 -0800
Subject: [PATCH 2/2] Minor additions
---
llvm/test/CodeGen/AMDGPU/occupancy-levels.ll | 16 ++++++++--------
1 file changed, 8 insertions(+), 8 deletions(-)
diff --git a/llvm/test/CodeGen/AMDGPU/occupancy-levels.ll b/llvm/test/CodeGen/AMDGPU/occupancy-levels.ll
index 7b6ed77e06e46..9278c024f8905 100644
--- a/llvm/test/CodeGen/AMDGPU/occupancy-levels.ll
+++ b/llvm/test/CodeGen/AMDGPU/occupancy-levels.ll
@@ -446,7 +446,7 @@ define amdgpu_kernel void @used_lds_13112() {
; GFX10W32: ; Occupancy: 8{{$}}
; GFX1100W64: ; Occupancy: 4{{$}}
; GFX1100W32: ; Occupancy: 8{{$}}
-; GFX1250: ; Occupancy: 10
+; GFX1250: ; Occupancy: 10{{$}}
@lds8252 = internal addrspace(3) global [8252 x i8] poison, align 4
define amdgpu_kernel void @used_lds_8252_max_group_size_64() #3 {
store volatile i8 1, ptr addrspace(3) @lds8252
@@ -460,7 +460,7 @@ define amdgpu_kernel void @used_lds_8252_max_group_size_64() #3 {
; GFX10W32: ; Occupancy: 12{{$}}
; GFX1100W64: ; Occupancy: 8{{$}}
; GFX1100W32: ; Occupancy: 12{{$}}
-; GFX1250: ; Occupancy: 12
+; GFX1250: ; Occupancy: 12{{$}}
define amdgpu_kernel void @used_lds_8252_max_group_size_96() #4 {
store volatile i8 1, ptr addrspace(3) @lds8252
ret void
@@ -473,7 +473,7 @@ define amdgpu_kernel void @used_lds_8252_max_group_size_96() #4 {
; GFX10W32: ; Occupancy: 15{{$}}
; GFX1100W64: ; Occupancy: 8{{$}}
; GFX1100W32: ; Occupancy: 15{{$}}
-; GFX1250: ; Occupancy: 16
+; GFX1250: ; Occupancy: 16{{$}}
define amdgpu_kernel void @used_lds_8252_max_group_size_128() #5 {
store volatile i8 1, ptr addrspace(3) @lds8252
ret void
@@ -487,7 +487,7 @@ define amdgpu_kernel void @used_lds_8252_max_group_size_128() #5 {
; GFX1030W32: ; Occupancy: 15{{$}}
; GFX1100W64: ; Occupancy: 12{{$}}
; GFX1100W32: ; Occupancy: 15{{$}}
-; GFX1250: ; Occupancy: 15
+; GFX1250: ; Occupancy: 15{{$}}
define amdgpu_kernel void @used_lds_8252_max_group_size_192() #6 {
store volatile i8 1, ptr addrspace(3) @lds8252
ret void
@@ -501,7 +501,7 @@ define amdgpu_kernel void @used_lds_8252_max_group_size_192() #6 {
; GFX1030W32: ; Occupancy: 16{{$}}
; GFX1100W64: ; Occupancy: 15{{$}}
; GFX1100W32: ; Occupancy: 16{{$}}
-; GFX1250: ; Occupancy: 16
+; GFX1250: ; Occupancy: 16{{$}}
define amdgpu_kernel void @used_lds_8252_max_group_size_256() #7 {
store volatile i8 1, ptr addrspace(3) @lds8252
ret void
@@ -513,7 +513,7 @@ define amdgpu_kernel void @used_lds_8252_max_group_size_256() #7 {
; GFX1010: ; Occupancy: 20{{$}}
; GFX1030: ; Occupancy: 16{{$}}
; GFX1100: ; Occupancy: 16{{$}}
-; GFX1250: ; Occupancy: 16
+; GFX1250: ; Occupancy: 16{{$}}
define amdgpu_kernel void @used_lds_8252_max_group_size_512() #8 {
store volatile i8 1, ptr addrspace(3) @lds8252
ret void
@@ -526,7 +526,7 @@ define amdgpu_kernel void @used_lds_8252_max_group_size_512() #8 {
; GFX1010W64: ; Occupancy: 20{{$}}
; GFX1030: ; Occupancy: 16{{$}}
; GFX1100: ; Occupancy: 16{{$}}
-; GFX1250: ; Occupancy: 16
+; GFX1250: ; Occupancy: 16{{$}}
define amdgpu_kernel void @used_lds_8252_max_group_size_1024() #9 {
store volatile i8 1, ptr addrspace(3) @lds8252
ret void
@@ -537,7 +537,7 @@ define amdgpu_kernel void @used_lds_8252_max_group_size_1024() #9 {
; GFX950: ; Occupancy: 5{{$}}
; GFX10: ; Occupancy: 4{{$}}
; GFX1100: ; Occupancy: 4{{$}}
-; GFX1250: ; Occupancy: 10
+; GFX1250: ; Occupancy: 10{{$}}
define amdgpu_kernel void @used_lds_8252_max_group_size_32() #10 {
store volatile i8 1, ptr addrspace(3) @lds8252
ret void
More information about the llvm-commits
mailing list