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[AMDGPU][NFC] Add occupancy checks for gfx950 and gfx1250 #170392

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Merged
changpeng merged 2 commits into from
Dec 3, 2025
Merged

[AMDGPU][NFC] Add occupancy checks for gfx950 and gfx1250 #170392

changpeng merged 2 commits into from
Dec 3, 2025

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@changpeng changpeng commented Dec 2, 2025

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llvmbot commented Dec 2, 2025

@llvm/pr-subscribers-backend-amdgpu

Author: Changpeng Fang (changpeng)

Changes

Full diff: https://github.com/llvm/llvm-project/pull/170392.diff

1 Files Affected:

  • (modified) llvm/test/CodeGen/AMDGPU/occupancy-levels.ll (+82)
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

@changpeng changpeng merged commit dea86c6 into llvm:main Dec 3, 2025
10 checks passed
@changpeng changpeng deleted the gfx1250-occupancy branch December 3, 2025 00:44
kcloudy0717 pushed a commit to kcloudy0717/llvm-project that referenced this pull request Dec 4, 2025
@changpeng @kcloudy0717
[AMDGPU][NFC] Add occupancy checks for gfx950 and gfx1250 (llvm#170392)
fedf958
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@rampitec rampitec rampitec approved these changes

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@changpeng @llvmbot @rampitec