[llvm] AMDGPU: Add some more mfma hazard recognizer tests (PR #84727)

via llvm-commits llvm-commits at lists.llvm.org
Mon Mar 11 01:23:55 PDT 2024


llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-backend-amdgpu

Author: Matt Arsenault (arsenm)

<details>
<summary>Changes</summary>



---
Full diff: https://github.com/llvm/llvm-project/pull/84727.diff


1 Files Affected:

- (modified) llvm/test/CodeGen/AMDGPU/mai-hazards-gfx940.mir (+222) 


``````````diff
diff --git a/llvm/test/CodeGen/AMDGPU/mai-hazards-gfx940.mir b/llvm/test/CodeGen/AMDGPU/mai-hazards-gfx940.mir
index 4d307a444b19c6..d06ddb04cd800c 100644
--- a/llvm/test/CodeGen/AMDGPU/mai-hazards-gfx940.mir
+++ b/llvm/test/CodeGen/AMDGPU/mai-hazards-gfx940.mir
@@ -2028,3 +2028,225 @@ body:             |
     $agpr0_agpr1 = V_MFMA_F64_4X4X4F64_e64 $agpr0_agpr1, $agpr0_agpr1, $agpr0_agpr1, 0, 0, 0, implicit $mode, implicit $exec
     BUFFER_STORE_DWORDX2_OFFEN_exact $vgpr2_vgpr3, $vgpr0, $sgpr0_sgpr1_sgpr2_sgpr3, 0, 0, 0, 0, implicit $exec
 ...
+
+...
+# 2 pass source
+# GCN-LABEL: name: xdl_mfma_2pass_write_vgpr_mfma_read_overlap_srcc
+# GCN:      V_MFMA
+# GCN-NEXT: S_NOP 2
+# GCN-NEXT: V_MFMA
+name:            xdl_mfma_2pass_write_vgpr_mfma_read_overlap_srcc
+body:             |
+  bb.0:
+
+    $vgpr0_vgpr1_vgpr2_vgpr3 = V_MFMA_F32_4X4X4F16_vgprcd_e64 $vgpr4_vgpr5, $vgpr6_vgpr7, $vgpr0_vgpr1_vgpr2_vgpr3, 1, 2, 3, implicit $mode, implicit $exec
+    $vgpr0_vgpr1_vgpr2_vgpr3 = V_MFMA_F32_4X4X4F16_vgprcd_e64 $vgpr4_vgpr5, $vgpr6_vgpr7, $vgpr2_vgpr3_vgpr4_vgpr5, 1, 2, 3, implicit $mode, implicit $exec
+
+...
+
+...
+# 2 pass source
+# GCN-LABEL: name: xdl_mfma_2pass_write_vgpr_mfma_read_overlap_srca
+# GCN:      V_MFMA
+# GCN-NEXT: S_NOP 4
+# GCN-NEXT: V_MFMA
+name:            xdl_mfma_2pass_write_vgpr_mfma_read_overlap_srca
+body:             |
+  bb.0:
+
+    $vgpr0_vgpr1_vgpr2_vgpr3 = V_MFMA_F32_4X4X4F16_vgprcd_e64 $vgpr4_vgpr5, $vgpr6_vgpr7, $vgpr0_vgpr1_vgpr2_vgpr3, 1, 2, 3, implicit $mode, implicit $exec
+    $vgpr0_vgpr1_vgpr2_vgpr3 = V_MFMA_F32_4X4X4F16_vgprcd_e64 $vgpr0_vgpr1, $vgpr6_vgpr7, $vgpr8_vgpr9_vgpr10_vgpr11, 1, 2, 3, implicit $mode, implicit $exec
+
+...
+
+...
+# 2 pass source
+# GCN-LABEL: name: xdl_mfma_2pass_write_vgpr_mfma_read_overlap_srcb
+# GCN:      V_MFMA
+# GCN-NEXT: S_NOP 4
+# GCN-NEXT: V_MFMA
+name:            xdl_mfma_2pass_write_vgpr_mfma_read_overlap_srcb
+body:             |
+  bb.0:
+
+    $vgpr0_vgpr1_vgpr2_vgpr3 = V_MFMA_F32_4X4X4F16_vgprcd_e64 $vgpr4_vgpr5, $vgpr6_vgpr7, $vgpr0_vgpr1_vgpr2_vgpr3, 1, 2, 3, implicit $mode, implicit $exec
+    $vgpr0_vgpr1_vgpr2_vgpr3 = V_MFMA_F32_4X4X4F16_vgprcd_e64 $vgpr6_vgpr7, $vgpr2_vgpr3, $vgpr8_vgpr9_vgpr10_vgpr11, 1, 2, 3, implicit $mode, implicit $exec
+
+...
+
+...
+# 4 pass source
+# GCN-LABEL: name: xdl_mfma_4pass_write_vgpr_mfma_read_overlap_srcc
+# GCN:      V_MFMA
+# GCN-NEXT: S_NOP 4
+# GCN-NEXT: V_MFMA
+name:            xdl_mfma_4pass_write_vgpr_mfma_read_overlap_srcc
+body:             |
+  bb.0:
+    $vgpr0_vgpr1_vgpr2_vgpr3 = V_MFMA_F32_16X16X16F16_vgprcd_e64 $vgpr4_vgpr5, $vgpr6_vgpr7, $vgpr0_vgpr1_vgpr2_vgpr3, 1, 2, 3, implicit $mode, implicit $exec
+    $vgpr0_vgpr1_vgpr2_vgpr3 = V_MFMA_F32_16X16X16F16_vgprcd_e64 $vgpr8_vgpr9, $vgpr10_vgpr11, $vgpr2_vgpr3_vgpr4_vgpr5, 1, 2, 3, implicit $mode, implicit $exec
+
+...
+
+...
+# 4 pass source
+# GCN-LABEL: name: xdl_mfma_4pass_write_vgpr_mfma_read_overlap_srca
+# GCN:      V_MFMA
+# GCN-NEXT: S_NOP 6
+# GCN-NEXT: V_MFMA
+name:            xdl_mfma_4pass_write_vgpr_mfma_read_overlap_srca
+body:             |
+  bb.0:
+    $vgpr0_vgpr1_vgpr2_vgpr3 = V_MFMA_F32_16X16X16F16_vgprcd_e64 $vgpr4_vgpr5, $vgpr6_vgpr7, $vgpr0_vgpr1_vgpr2_vgpr3, 1, 2, 3, implicit $mode, implicit $exec
+    $vgpr0_vgpr1_vgpr2_vgpr3 = V_MFMA_F32_16X16X16F16_vgprcd_e64 $vgpr2_vgpr3, $vgpr10_vgpr11, $vgpr6_vgpr7_vgpr8_vgpr9, 1, 2, 3, implicit $mode, implicit $exec
+
+...
+
+...
+# 4 pass source
+# GCN-LABEL: name: xdl_mfma_4pass_write_vgpr_mfma_read_overlap_srcb
+# GCN:      V_MFMA
+# GCN-NEXT: S_NOP 6
+# GCN-NEXT: V_MFMA
+name:            xdl_mfma_4pass_write_vgpr_mfma_read_overlap_srcb
+body:             |
+  bb.0:
+    $vgpr0_vgpr1_vgpr2_vgpr3 = V_MFMA_F32_16X16X16F16_vgprcd_e64 $vgpr4_vgpr5, $vgpr6_vgpr7, $vgpr0_vgpr1_vgpr2_vgpr3, 1, 2, 3, implicit $mode, implicit $exec
+    $vgpr0_vgpr1_vgpr2_vgpr3 = V_MFMA_F32_16X16X16F16_vgprcd_e64 $vgpr10_vgpr11, $vgpr2_vgpr3, $vgpr6_vgpr7_vgpr8_vgpr9, 1, 2, 3, implicit $mode, implicit $exec
+
+...
+
+...
+# 8 pass source
+# GCN-LABEL: name: xdl_mfma_8pass__write_vgpr_mfma_read_overlap_srcc
+# GCN:      V_MFMA
+# GCN-NEXT: S_NOP 7
+# GCN-NEXT: S_NOP 0
+# GCN-NEXT: V_MFMA
+name: xdl_mfma_8pass__write_vgpr_mfma_read_overlap_srcc
+body:             |
+  bb.0:
+    renamable $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9_vgpr10_vgpr11_vgpr12_vgpr13_vgpr14_vgpr15 = V_MFMA_F32_32X32X8F16_vgprcd_e64 killed $vgpr0_vgpr1, killed $vgpr2_vgpr3, 1065353216, 0, 0, 0, implicit $mode, implicit $exec
+
+    $vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9_vgpr10_vgpr11_vgpr12_vgpr13_vgpr14_vgpr15_vgpr16_vgpr17 = V_MFMA_F32_16X16X1F32_vgprcd_e64 $vgpr18, $vgpr19, $vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9_vgpr10_vgpr11_vgpr12_vgpr13_vgpr14_vgpr15_vgpr16_vgpr17, 0, 0, 0, implicit $mode, implicit $exec
+...
+
+...
+# 8 pass source
+# GCN-LABEL: name: xdl_mfma_8pass__write_vgpr_mfma_read_overlap_srca
+# GCN:      V_MFMA
+# GCN-NEXT: S_NOP 7
+# GCN-NEXT: S_NOP 2
+# GCN-NEXT: V_MFMA
+name: xdl_mfma_8pass__write_vgpr_mfma_read_overlap_srca
+body:             |
+  bb.0:
+    renamable $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9_vgpr10_vgpr11_vgpr12_vgpr13_vgpr14_vgpr15 = V_MFMA_F32_32X32X8F16_vgprcd_e64 killed $vgpr0_vgpr1, killed $vgpr2_vgpr3, 1065353216, 0, 0, 0, implicit $mode, implicit $exec
+
+    $vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9_vgpr10_vgpr11_vgpr12_vgpr13_vgpr14_vgpr15_vgpr16_vgpr17 = V_MFMA_F32_16X16X1F32_vgprcd_e64 $vgpr0, $vgpr33, $vgpr18_vgpr19_vgpr20_vgpr21_vgpr22_vgpr23_vgpr24_vgpr25_vgpr26_vgpr27_vgpr28_vgpr29_vgpr30_vgpr31_vgpr32_vgpr33, 0, 0, 0, implicit $mode, implicit $exec
+...
+
+...
+# 8 pass source
+# GCN-LABEL: name: xdl_mfma_8pass__write_vgpr_mfma_read_overlap_srcb
+# GCN:      V_MFMA
+# GCN-NEXT: S_NOP 7
+# GCN-NEXT: S_NOP 2
+# GCN-NEXT: V_MFMA
+name: xdl_mfma_8pass__write_vgpr_mfma_read_overlap_srcb
+body:             |
+  bb.0:
+    renamable $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9_vgpr10_vgpr11_vgpr12_vgpr13_vgpr14_vgpr15 = V_MFMA_F32_32X32X8F16_vgprcd_e64 killed $vgpr0_vgpr1, killed $vgpr2_vgpr3, 1065353216, 0, 0, 0, implicit $mode, implicit $exec
+
+    $vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9_vgpr10_vgpr11_vgpr12_vgpr13_vgpr14_vgpr15_vgpr16_vgpr17 = V_MFMA_F32_16X16X1F32_vgprcd_e64 $vgpr33, $vgpr1, $vgpr18_vgpr19_vgpr20_vgpr21_vgpr22_vgpr23_vgpr24_vgpr25_vgpr26_vgpr27_vgpr28_vgpr29_vgpr30_vgpr31_vgpr32_vgpr33, 0, 0, 0, implicit $mode, implicit $exec
+...
+
+...
+# 16 pass source
+# GCN-LABEL: name: xdl_smfma32x32_write_vgpr_mfma_read_overlap_srcc
+# GCN:      V_MFMA
+# GCN-NEXT: S_NOP 7
+# GCN-NEXT: S_NOP 7
+# GCN-NEXT: S_NOP 0
+# GCN-NEXT: V_MFMA
+name:            xdl_smfma32x32_write_vgpr_mfma_read_overlap_srcc
+body:             |
+  bb.0:
+    $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9_vgpr10_vgpr11_vgpr12_vgpr13_vgpr14_vgpr15_vgpr16_vgpr17_vgpr18_vgpr19_vgpr20_vgpr21_vgpr22_vgpr23_vgpr24_vgpr25_vgpr26_vgpr27_vgpr28_vgpr29_vgpr30_vgpr31 = V_MFMA_F32_32X32X4F16_vgprcd_e64 $vgpr126_vgpr127, $vgpr128_vgpr129, $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9_vgpr10_vgpr11_vgpr12_vgpr13_vgpr14_vgpr15_vgpr16_vgpr17_vgpr18_vgpr19_vgpr20_vgpr21_vgpr22_vgpr23_vgpr24_vgpr25_vgpr26_vgpr27_vgpr28_vgpr29_vgpr30_vgpr31, 0, 0, 0, implicit $mode, implicit $exec
+
+    $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9_vgpr10_vgpr11_vgpr12_vgpr13_vgpr14_vgpr15 = V_MFMA_F32_32X32X2F32_vgprcd_e64 killed $vgpr32, killed $vgpr33, $vgpr16_vgpr17_vgpr18_vgpr19_vgpr20_vgpr21_vgpr22_vgpr23_vgpr24_vgpr25_vgpr26_vgpr27_vgpr28_vgpr29_vgpr30_vgpr31, 1, 2, 3, implicit $mode, implicit $exec
+
+...
+
+...
+# 16 pass source
+# GCN-LABEL: name: xdl_16pass_write_vgpr_mfma_read_overlap_srca
+# GCN:      V_MFMA
+# GCN-NEXT: S_NOP 7
+# GCN-NEXT: S_NOP 7
+# GCN-NEXT: S_NOP 2
+# GCN-NEXT: V_MFMA
+name:            xdl_16pass_write_vgpr_mfma_read_overlap_srca
+body:             |
+  bb.0:
+    $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9_vgpr10_vgpr11_vgpr12_vgpr13_vgpr14_vgpr15_vgpr16_vgpr17_vgpr18_vgpr19_vgpr20_vgpr21_vgpr22_vgpr23_vgpr24_vgpr25_vgpr26_vgpr27_vgpr28_vgpr29_vgpr30_vgpr31 = V_MFMA_F32_32X32X4F16_vgprcd_e64 $vgpr126_vgpr127, $vgpr128_vgpr129, $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9_vgpr10_vgpr11_vgpr12_vgpr13_vgpr14_vgpr15_vgpr16_vgpr17_vgpr18_vgpr19_vgpr20_vgpr21_vgpr22_vgpr23_vgpr24_vgpr25_vgpr26_vgpr27_vgpr28_vgpr29_vgpr30_vgpr31, 0, 0, 0, implicit $mode, implicit $exec
+    $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9_vgpr10_vgpr11_vgpr12_vgpr13_vgpr14_vgpr15 = V_MFMA_F32_32X32X2F32_vgprcd_e64 killed $vgpr0, killed $vgpr33, $vgpr32_vgpr33_vgpr34_vgpr35_vgpr36_vgpr37_vgpr38_vgpr39_vgpr40_vgpr41_vgpr42_vgpr43_vgpr44_vgpr45_vgpr46_vgpr47, 1, 2, 3, implicit $mode, implicit $exec
+
+...
+
+...
+# 16 pass source
+# GCN-LABEL: name: xdl_16pass_write_vgpr_mfma_read_overlap_srcb
+# GCN:      V_MFMA
+# GCN-NEXT: S_NOP 7
+# GCN-NEXT: S_NOP 7
+# GCN-NEXT: S_NOP 2
+# GCN-NEXT: V_MFMA
+name:            xdl_16pass_write_vgpr_mfma_read_overlap_srcb
+body:             |
+  bb.0:
+    $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9_vgpr10_vgpr11_vgpr12_vgpr13_vgpr14_vgpr15_vgpr16_vgpr17_vgpr18_vgpr19_vgpr20_vgpr21_vgpr22_vgpr23_vgpr24_vgpr25_vgpr26_vgpr27_vgpr28_vgpr29_vgpr30_vgpr31 = V_MFMA_F32_32X32X4F16_vgprcd_e64 $vgpr126_vgpr127, $vgpr128_vgpr129, $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9_vgpr10_vgpr11_vgpr12_vgpr13_vgpr14_vgpr15_vgpr16_vgpr17_vgpr18_vgpr19_vgpr20_vgpr21_vgpr22_vgpr23_vgpr24_vgpr25_vgpr26_vgpr27_vgpr28_vgpr29_vgpr30_vgpr31, 0, 0, 0, implicit $mode, implicit $exec
+    $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9_vgpr10_vgpr11_vgpr12_vgpr13_vgpr14_vgpr15 = V_MFMA_F32_32X32X2F32_vgprcd_e64 killed $vgpr33, killed $vgpr0, $vgpr32_vgpr33_vgpr34_vgpr35_vgpr36_vgpr37_vgpr38_vgpr39_vgpr40_vgpr41_vgpr42_vgpr43_vgpr44_vgpr45_vgpr46_vgpr47, 1, 2, 3, implicit $mode, implicit $exec
+
+...
+
+...
+# 8 pass source
+# GCN-LABEL: name: nonxdl_8pass_write_vgpr_mfma_read_overlap_srcc
+# GCN:      V_MFMA
+# GCN-NEXT: S_NOP 7
+# GCN-NEXT: V_MFMA
+name:            nonxdl_8pass_write_vgpr_mfma_read_overlap_srcc
+body:             |
+  bb.0:
+    $vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9_vgpr10_vgpr11_vgpr12_vgpr13_vgpr14_vgpr15_vgpr16_vgpr17 = V_MFMA_F32_16X16X1F32_vgprcd_e64 $vgpr18, $vgpr19, $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9_vgpr10_vgpr11_vgpr12_vgpr13_vgpr14_vgpr15, 0, 0, 0, implicit $mode, implicit $exec
+    $vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9_vgpr10_vgpr11_vgpr12_vgpr13_vgpr14_vgpr15_vgpr16_vgpr17 = V_MFMA_F32_16X16X1F32_vgprcd_e64 $vgpr18, $vgpr19, $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9_vgpr10_vgpr11_vgpr12_vgpr13_vgpr14_vgpr15, 0, 0, 0, implicit $mode, implicit $exec
+...
+
+...
+# 8 pass source
+# GCN-LABEL: name: nonxdl_8pass_write_vgpr_mfma_read_overlap_srca
+# GCN:      V_MFMA
+# GCN-NEXT: S_NOP 7
+# GCN-NEXT: S_NOP 1
+# GCN-NEXT: V_MFMA
+name:            nonxdl_8pass_write_vgpr_mfma_read_overlap_srca
+body:             |
+  bb.0:
+    $vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9_vgpr10_vgpr11_vgpr12_vgpr13_vgpr14_vgpr15_vgpr16_vgpr17 = V_MFMA_F32_16X16X1F32_vgprcd_e64 $vgpr18, $vgpr19, $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9_vgpr10_vgpr11_vgpr12_vgpr13_vgpr14_vgpr15, 0, 0, 0, implicit $mode, implicit $exec
+    $vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9_vgpr10_vgpr11_vgpr12_vgpr13_vgpr14_vgpr15_vgpr16_vgpr17 = V_MFMA_F32_16X16X1F32_vgprcd_e64 $vgpr3, $vgpr19, $vgpr18_vgpr19_vgpr20_vgpr21_vgpr22_vgpr23_vgpr24_vgpr25_vgpr26_vgpr27_vgpr28_vgpr29_vgpr30_vgpr31_vgpr32_vgpr33, 0, 0, 0, implicit $mode, implicit $exec
+...
+
+...
+# 8 pass source
+# GCN-LABEL: name: nonxdl_8pass_write_vgpr_mfma_read_overlap_srcb
+# GCN:      V_MFMA
+# GCN-NEXT: S_NOP 7
+# GCN-NEXT: S_NOP 1
+# GCN-NEXT: V_MFMA
+name:            nonxdl_8pass_write_vgpr_mfma_read_overlap_srcb
+body:             |
+  bb.0:
+    $vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9_vgpr10_vgpr11_vgpr12_vgpr13_vgpr14_vgpr15_vgpr16_vgpr17 = V_MFMA_F32_16X16X1F32_vgprcd_e64 $vgpr18, $vgpr19, $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9_vgpr10_vgpr11_vgpr12_vgpr13_vgpr14_vgpr15, 0, 0, 0, implicit $mode, implicit $exec
+    $vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9_vgpr10_vgpr11_vgpr12_vgpr13_vgpr14_vgpr15_vgpr16_vgpr17 = V_MFMA_F32_16X16X1F32_vgprcd_e64 $vgpr19, $vgpr3, $vgpr18_vgpr19_vgpr20_vgpr21_vgpr22_vgpr23_vgpr24_vgpr25_vgpr26_vgpr27_vgpr28_vgpr29_vgpr30_vgpr31_vgpr32_vgpr33, 0, 0, 0, implicit $mode, implicit $exec
+...

``````````

</details>


https://github.com/llvm/llvm-project/pull/84727


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