[llvm] b1b973a - [AMDGPU][NFC] Add occupancy tests for GFX6/7/8 (#213914)
via llvm-commits
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Tue Aug 4 08:22:52 PDT 2026
Author: Mariusz Sikora
Date: 2026-08-04T17:22:47+02:00
New Revision: b1b973a58effb81051c75c2747cc81f5a175edd9
URL: https://github.com/llvm/llvm-project/commit/b1b973a58effb81051c75c2747cc81f5a175edd9
DIFF: https://github.com/llvm/llvm-project/commit/b1b973a58effb81051c75c2747cc81f5a175edd9.diff
LOG: [AMDGPU][NFC] Add occupancy tests for GFX6/7/8 (#213914)
Added:
Modified:
llvm/test/CodeGen/AMDGPU/occupancy-levels.ll
Removed:
################################################################################
diff --git a/llvm/test/CodeGen/AMDGPU/occupancy-levels.ll b/llvm/test/CodeGen/AMDGPU/occupancy-levels.ll
index 5c2c3b1722d33..53d9c49ae087a 100644
--- a/llvm/test/CodeGen/AMDGPU/occupancy-levels.ll
+++ b/llvm/test/CodeGen/AMDGPU/occupancy-levels.ll
@@ -1,3 +1,6 @@
+; RUN: llc -mtriple=amdgpu6.00 < %s | FileCheck --check-prefixes=GCN,GFX6 %s
+; RUN: llc -mtriple=amdgpu7.00 < %s | FileCheck --check-prefixes=GCN,GFX7 %s
+; RUN: llc -mtriple=amdgpu8.03 < %s | FileCheck --check-prefixes=GCN,GFX8 %s
; RUN: llc -mtriple=amdgpu9.00 --amdgpu-xnack=false < %s | FileCheck --check-prefixes=GCN,GFX9 %s
; RUN: llc -mtriple=amdgpu9.50 --amdgpu-xnack=false < %s | FileCheck --check-prefixes=GCN,GFX950 %s
; The amdhsa OS implicitly enables the trap handler, which reserves 16 SGPRs per
@@ -29,6 +32,9 @@
; RUN: llc -mtriple=amdgpu13.10 < %s | FileCheck --check-prefixes=GCN,GFX1100,GFX1100W32 %s
; GCN-LABEL: {{^}}max_occupancy:
+; GFX6: ; Occupancy: 10{{$}}
+; GFX7: ; Occupancy: 10{{$}}
+; GFX8: ; Occupancy: 10{{$}}
; GFX9: ; Occupancy: 10
; GFX950: ; Occupancy: 8
; GFX1010: ; Occupancy: 20
@@ -40,6 +46,9 @@ define amdgpu_kernel void @max_occupancy() #10 {
}
; GCN-LABEL: {{^}}limited_occupancy_3:
+; GFX6: ; Occupancy: 3{{$}}
+; GFX7: ; Occupancy: 3{{$}}
+; GFX8: ; Occupancy: 3{{$}}
; GFX9: ; Occupancy: 3
; GFX950: ; Occupancy: 3
; GFX10W64: ; Occupancy: 3
@@ -52,6 +61,9 @@ define amdgpu_kernel void @limited_occupancy_3() #0 {
}
; GCN-LABEL: {{^}}limited_occupancy_18:
+; GFX6: ; Occupancy: 10{{$}}
+; GFX7: ; Occupancy: 10{{$}}
+; GFX8: ; Occupancy: 10{{$}}
; GFX9: ; Occupancy: 10
; GFX950: ; Occupancy: 8
; GFX1010: ; Occupancy: 18
@@ -63,6 +75,9 @@ define amdgpu_kernel void @limited_occupancy_18() #1 {
}
; GCN-LABEL: {{^}}limited_occupancy_19:
+; GFX6: ; Occupancy: 10{{$}}
+; GFX7: ; Occupancy: 10{{$}}
+; GFX8: ; Occupancy: 10{{$}}
; GFX9: ; Occupancy: 10
; GFX950: ; Occupancy: 8
; GFX1010: ; Occupancy: 20
@@ -74,6 +89,9 @@ define amdgpu_kernel void @limited_occupancy_19() #2 {
}
; GCN-LABEL: {{^}}used_24_vgprs:
+; GFX6: ; Occupancy: 10{{$}}
+; GFX7: ; Occupancy: 10{{$}}
+; GFX8: ; Occupancy: 10{{$}}
; GFX9: ; Occupancy: 10
; GFX950: ; Occupancy: 8
; GFX1010: ; Occupancy: 20
@@ -86,6 +104,9 @@ define amdgpu_kernel void @used_24_vgprs() #10 {
}
; GCN-LABEL: {{^}}used_28_vgprs:
+; GFX6: ; Occupancy: 9{{$}}
+; GFX7: ; Occupancy: 9{{$}}
+; GFX8: ; Occupancy: 9{{$}}
; GFX9: ; Occupancy: 9
; GFX950: ; Occupancy: 8
; GFX1010W64: ; Occupancy: 18
@@ -99,6 +120,9 @@ define amdgpu_kernel void @used_28_vgprs() #10 {
}
; GCN-LABEL: {{^}}used_32_vgprs:
+; GFX6: ; Occupancy: 8{{$}}
+; GFX7: ; Occupancy: 8{{$}}
+; GFX8: ; Occupancy: 8{{$}}
; GFX9: ; Occupancy: 8
; GFX950: ; Occupancy: 8
; GFX10W64: ; Occupancy: 16
@@ -112,6 +136,9 @@ define amdgpu_kernel void @used_32_vgprs() #10 {
}
; GCN-LABEL: {{^}}used_36_vgprs:
+; GFX6: ; Occupancy: 7{{$}}
+; GFX7: ; Occupancy: 7{{$}}
+; GFX8: ; Occupancy: 7{{$}}
; GFX9: ; Occupancy: 7
; GFX950: ; Occupancy: 8
; GFX1010W64: ; Occupancy: 14
@@ -126,6 +153,9 @@ define amdgpu_kernel void @used_36_vgprs() #10 {
}
; GCN-LABEL: {{^}}used_40_vgprs:
+; GFX6: ; Occupancy: 6{{$}}
+; GFX7: ; Occupancy: 6{{$}}
+; GFX8: ; Occupancy: 6{{$}}
; GFX9: ; Occupancy: 6
; GFX950: ; Occupancy: 8
; GFX10W64: ; Occupancy: 12
@@ -139,6 +169,9 @@ define amdgpu_kernel void @used_40_vgprs() #10 {
}
; GCN-LABEL: {{^}}used_44_vgprs:
+; GFX6: ; Occupancy: 5{{$}}
+; GFX7: ; Occupancy: 5{{$}}
+; GFX8: ; Occupancy: 5{{$}}
; GFX9: ; Occupancy: 5
; GFX950: ; Occupancy: 8
; GFX1010W64: ; Occupancy: 11
@@ -153,6 +186,9 @@ define amdgpu_kernel void @used_44_vgprs() #10 {
}
; GCN-LABEL: {{^}}used_48_vgprs:
+; GFX6: ; Occupancy: 5{{$}}
+; GFX7: ; Occupancy: 5{{$}}
+; GFX8: ; Occupancy: 5{{$}}
; GFX9: ; Occupancy: 5
; GFX950: ; Occupancy: 8
; GFX10W64: ; Occupancy: 10
@@ -166,6 +202,9 @@ define amdgpu_kernel void @used_48_vgprs() #10 {
}
; GCN-LABEL: {{^}}used_56_vgprs:
+; GFX6: ; Occupancy: 4{{$}}
+; GFX7: ; Occupancy: 4{{$}}
+; GFX8: ; Occupancy: 4{{$}}
; GFX9: ; Occupancy: 4
; GFX950: ; Occupancy: 8
; GFX10W64: ; Occupancy: 9
@@ -180,6 +219,9 @@ define amdgpu_kernel void @used_56_vgprs() #10 {
}
; GCN-LABEL: {{^}}used_64_vgprs:
+; GFX6: ; Occupancy: 4{{$}}
+; GFX7: ; Occupancy: 4{{$}}
+; GFX8: ; Occupancy: 4{{$}}
; GFX9: ; Occupancy: 4
; GFX950: ; Occupancy: 8
; GFX10W64: ; Occupancy: 8
@@ -193,6 +235,9 @@ define amdgpu_kernel void @used_64_vgprs() #10 {
}
; GCN-LABEL: {{^}}used_72_vgprs:
+; GFX6: ; Occupancy: 3{{$}}
+; GFX7: ; Occupancy: 3{{$}}
+; GFX8: ; Occupancy: 3{{$}}
; GFX9: ; Occupancy: 3
; GFX950: ; Occupancy: 7
; GFX10W64: ; Occupancy: 7
@@ -207,6 +252,9 @@ define amdgpu_kernel void @used_72_vgprs() #10 {
}
; GCN-LABEL: {{^}}used_80_vgprs:
+; GFX6: ; Occupancy: 3{{$}}
+; GFX7: ; Occupancy: 3{{$}}
+; GFX8: ; Occupancy: 3{{$}}
; GFX9: ; Occupancy: 3
; GFX950: ; Occupancy: 6
; GFX10W64: ; Occupancy: 6
@@ -220,6 +268,9 @@ define amdgpu_kernel void @used_80_vgprs() #10 {
}
; GCN-LABEL: {{^}}used_84_vgprs:
+; GFX6: ; Occupancy: 3{{$}}
+; GFX7: ; Occupancy: 3{{$}}
+; GFX8: ; Occupancy: 3{{$}}
; GFX9: ; Occupancy: 3
; GFX950: ; Occupancy: 5
; GFX1010W64: ; Occupancy: 6
@@ -235,6 +286,9 @@ define amdgpu_kernel void @used_84_vgprs() #10 {
}
; GCN-LABEL: {{^}}used_88_vgprs:
+; GFX6: ; Occupancy: 2{{$}}
+; GFX7: ; Occupancy: 2{{$}}
+; GFX8: ; Occupancy: 2{{$}}
; GFX9: ; Occupancy: 2
; GFX950: ; Occupancy: 5
; GFX10W64: ; Occupancy: 5
@@ -249,6 +303,9 @@ define amdgpu_kernel void @used_88_vgprs() #10 {
}
; GCN-LABEL: {{^}}used_96_vgprs:
+; GFX6: ; Occupancy: 2{{$}}
+; GFX7: ; Occupancy: 2{{$}}
+; GFX8: ; Occupancy: 2{{$}}
; GFX9: ; Occupancy: 2
; GFX950: ; Occupancy: 5
; GFX10W64: ; Occupancy: 5
@@ -262,6 +319,9 @@ define amdgpu_kernel void @used_96_vgprs() #10 {
}
; GCN-LABEL: {{^}}used_100_vgprs:
+; GFX6: ; Occupancy: 2{{$}}
+; GFX7: ; Occupancy: 2{{$}}
+; GFX8: ; Occupancy: 2{{$}}
; GFX9: ; Occupancy: 2
; GFX950: ; Occupancy: 4
; GFX1010W64: ; Occupancy: 5
@@ -276,6 +336,9 @@ define amdgpu_kernel void @used_100_vgprs() #10 {
}
; GCN-LABEL: {{^}}used_112_vgprs:
+; GFX6: ; Occupancy: 2{{$}}
+; GFX7: ; Occupancy: 2{{$}}
+; GFX8: ; Occupancy: 2{{$}}
; GFX9: ; Occupancy: 2
; GFX950: ; Occupancy: 4
; GFX10W64: ; Occupancy: 4
@@ -289,6 +352,9 @@ define amdgpu_kernel void @used_112_vgprs() #10 {
}
; GCN-LABEL: {{^}}used_128_vgprs:
+; GFX6: ; Occupancy: 2{{$}}
+; GFX7: ; Occupancy: 2{{$}}
+; GFX8: ; Occupancy: 2{{$}}
; GFX9: ; Occupancy: 2
; GFX950: ; Occupancy: 4
; GFX10W64: ; Occupancy: 4
@@ -302,6 +368,9 @@ define amdgpu_kernel void @used_128_vgprs() #10 {
}
; GCN-LABEL: {{^}}used_144_vgprs:
+; GFX6: ; Occupancy: 1{{$}}
+; GFX7: ; Occupancy: 1{{$}}
+; GFX8: ; Occupancy: 1{{$}}
; GFX9: ; Occupancy: 1
; GFX950: ; Occupancy: 3
; GFX10W64: ; Occupancy: 3
@@ -315,6 +384,9 @@ define amdgpu_kernel void @used_144_vgprs() #10 {
}
; GCN-LABEL: {{^}}used_168_vgprs:
+; GFX6: ; Occupancy: 1{{$}}
+; GFX7: ; Occupancy: 1{{$}}
+; GFX8: ; Occupancy: 1{{$}}
; GFX9: ; Occupancy: 1
; GFX950: ; Occupancy: 3
; GFX10W64: ; Occupancy: 3
@@ -329,6 +401,9 @@ define amdgpu_kernel void @used_168_vgprs() #10 {
}
; GCN-LABEL: {{^}}used_200_vgprs:
+; GFX6: ; Occupancy: 1{{$}}
+; GFX7: ; Occupancy: 1{{$}}
+; GFX8: ; Occupancy: 1{{$}}
; GFX9: ; Occupancy: 1
; GFX950: ; Occupancy: 2
; GFX10W64: ; Occupancy: 2
@@ -343,6 +418,9 @@ define amdgpu_kernel void @used_200_vgprs() #10 {
}
; GCN-LABEL: {{^}}used_256_vgprs:
+; GFX6: ; Occupancy: 1{{$}}
+; GFX7: ; Occupancy: 1{{$}}
+; GFX8: ; Occupancy: 1{{$}}
; GFX9: ; Occupancy: 1
; GFX950: ; Occupancy: 2
; GFX10W64: ; Occupancy: 2
@@ -356,6 +434,9 @@ define amdgpu_kernel void @used_256_vgprs() #10 {
}
; GCN-LABEL: {{^}}used_80_sgprs:
+; GFX6: ; Occupancy: 6{{$}}
+; GFX7: ; Occupancy: 6{{$}}
+; GFX8: ; Occupancy: 10{{$}}
; GFX9: ; Occupancy: 10
; GFX950: ; Occupancy: 8
; GFX9TRAP: ; Occupancy: 8
@@ -370,6 +451,9 @@ define amdgpu_kernel void @used_80_sgprs() #10 {
}
; GCN-LABEL: {{^}}used_88_sgprs:
+; GFX6: ; Occupancy: 5{{$}}
+; GFX7: ; Occupancy: 5{{$}}
+; GFX8: ; Occupancy: 8{{$}}
; GFX9: ; Occupancy: 8
; GFX950: ; Occupancy: 8
; GFX9TRAP: ; Occupancy: 7
@@ -384,6 +468,9 @@ define amdgpu_kernel void @used_88_sgprs() #10 {
}
; GCN-LABEL: {{^}}used_100_sgprs:
+; GFX6: ; Occupancy: 4{{$}}
+; GFX7: ; Occupancy: 4{{$}}
+; GFX8: ; Occupancy: 7{{$}}
; GFX9: ; Occupancy: 7
; GFX950: ; Occupancy: 7
; GFX9TRAP: ; Occupancy: 6
@@ -398,6 +485,9 @@ define amdgpu_kernel void @used_100_sgprs() #10 {
}
; GCN-LABEL: {{^}}used_101_sgprs:
+; GFX6: ; Occupancy: 4{{$}}
+; GFX7: ; Occupancy: 4{{$}}
+; GFX8: ; Occupancy: 7{{$}}
; GFX9: ; Occupancy: 7
; GFX950: ; Occupancy: 7
; GFX9TRAP: ; Occupancy: 6
@@ -412,6 +502,9 @@ define amdgpu_kernel void @used_101_sgprs() #10 {
}
; GCN-LABEL: {{^}}used_lds_6552:
+; GFX6: ; Occupancy: 8{{$}}
+; GFX7: ; Occupancy: 8{{$}}
+; GFX8: ; Occupancy: 8{{$}}
; GFX9: ; Occupancy: 8
; GFX950: ; Occupancy: 8
; GFX1010W64: ; Occupancy: 20
@@ -426,6 +519,9 @@ define amdgpu_kernel void @used_lds_6552() {
}
; GCN-LABEL: {{^}}used_lds_6556:
+; GFX6: ; Occupancy: 8{{$}}
+; GFX7: ; Occupancy: 8{{$}}
+; GFX8: ; Occupancy: 8{{$}}
; GFX9: ; Occupancy: 8
; GFX950: ; Occupancy: 8
; GFX1010W64: ; Occupancy: 20
@@ -440,6 +536,9 @@ define amdgpu_kernel void @used_lds_6556() {
}
; GCN-LABEL: {{^}}used_lds_13112:
+; GFX6: ; Occupancy: 8{{$}}
+; GFX7: ; Occupancy: 8{{$}}
+; GFX8: ; Occupancy: 8{{$}}
; GFX9: ; Occupancy: 8
; GFX950: ; Occupancy: 8
; GFX1010W64: ; Occupancy: 20
@@ -454,6 +553,9 @@ define amdgpu_kernel void @used_lds_13112() {
}
; GCN-LABEL: {{^}}used_lds_8252_max_group_size_64:
+; GFX6: ; Occupancy: 1{{$}}
+; GFX7: ; Occupancy: 2{{$}}
+; GFX8: ; Occupancy: 2{{$}}
; GFX9: ; Occupancy: 2{{$}}
; GFX950: ; Occupancy: 5{{$}}
; GFX10W64: ; Occupancy: 4{{$}}
@@ -468,6 +570,9 @@ define amdgpu_kernel void @used_lds_8252_max_group_size_64() #3 {
}
; GCN-LABEL: {{^}}used_lds_8252_max_group_size_96:
+; GFX6: ; Occupancy: 2{{$}}
+; GFX7: ; Occupancy: 4{{$}}
+; GFX8: ; Occupancy: 4{{$}}
; GFX9: ; Occupancy: 4{{$}}
; GFX950: ; Occupancy: 8{{$}}
; GFX10W64: ; Occupancy: 8{{$}}
@@ -481,6 +586,9 @@ define amdgpu_kernel void @used_lds_8252_max_group_size_96() #4 {
}
; GCN-LABEL: {{^}}used_lds_8252_max_group_size_128:
+; GFX6: ; Occupancy: 2{{$}}
+; GFX7: ; Occupancy: 4{{$}}
+; GFX8: ; Occupancy: 4{{$}}
; GFX9: ; Occupancy: 4{{$}}
; GFX950: ; Occupancy: 8{{$}}
; GFX10W64: ; Occupancy: 8{{$}}
@@ -494,6 +602,9 @@ define amdgpu_kernel void @used_lds_8252_max_group_size_128() #5 {
}
; GCN-LABEL: {{^}}used_lds_8252_max_group_size_192:
+; GFX6: ; Occupancy: 3{{$}}
+; GFX7: ; Occupancy: 6{{$}}
+; GFX8: ; Occupancy: 6{{$}}
; GFX9: ; Occupancy: 6{{$}}
; GFX950: ; Occupancy: 8{{$}}
; GFX10W64: ; Occupancy: 12{{$}}
@@ -508,6 +619,9 @@ define amdgpu_kernel void @used_lds_8252_max_group_size_192() #6 {
}
; GCN-LABEL: {{^}}used_lds_8252_max_group_size_256:
+; GFX6: ; Occupancy: 3{{$}}
+; GFX7: ; Occupancy: 7{{$}}
+; GFX8: ; Occupancy: 7{{$}}
; GFX9: ; Occupancy: 7{{$}}
; GFX950: ; Occupancy: 8{{$}}
; GFX10W64: ; Occupancy: 15{{$}}
@@ -522,6 +636,9 @@ define amdgpu_kernel void @used_lds_8252_max_group_size_256() #7 {
}
; GCN-LABEL: {{^}}used_lds_8252_max_group_size_512:
+; GFX6: ; Occupancy: 6{{$}}
+; GFX7: ; Occupancy: 10{{$}}
+; GFX8: ; Occupancy: 10{{$}}
; GFX9: ; Occupancy: 10{{$}}
; GFX950: ; Occupancy: 8{{$}}
; GFX1010: ; Occupancy: 20{{$}}
@@ -534,6 +651,9 @@ define amdgpu_kernel void @used_lds_8252_max_group_size_512() #8 {
}
; GCN-LABEL: {{^}}used_lds_8252_max_group_size_1024:
+; GFX6: ; Occupancy: 8{{$}}
+; GFX7: ; Occupancy: 8{{$}}
+; GFX8: ; Occupancy: 8{{$}}
; GFX9: ; Occupancy: 8{{$}}
; GFX950: ; Occupancy: 8{{$}}
; GFX1010W32: ; Occupancy: 16{{$}}
@@ -547,6 +667,9 @@ define amdgpu_kernel void @used_lds_8252_max_group_size_1024() #9 {
}
; GCN-LABEL: {{^}}used_lds_8252_max_group_size_32:
+; GFX6: ; Occupancy: 1{{$}}
+; GFX7: ; Occupancy: 2{{$}}
+; GFX8: ; Occupancy: 2{{$}}
; GFX9: ; Occupancy: 2{{$}}
; GFX950: ; Occupancy: 5{{$}}
; GFX10: ; Occupancy: 4{{$}}
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