[llvm] [AMDGPU] Set GRANULATED_WAVEFRONT_SGPR_COUNT of compute_pgm_rsrc1 to 0 for gfx10+ (PR #154666)

Matt Arsenault via llvm-commits llvm-commits at lists.llvm.org
Thu Aug 21 22:47:45 PDT 2025


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@@ -0,0 +1,11 @@
+; RUN: llc -mtriple=amdgcn-amd-amdhsa -mcpu=gfx1250 -filetype=obj < %s 2>&1 | llvm-objdump -d --section=.rodata - | FileCheck %s
+; RUN: llc -mtriple=amdgcn-amd-amdhsa -mcpu=gfx1200 -filetype=obj < %s 2>&1 | llvm-objdump -d --section=.rodata - | FileCheck %s
+; RUN: llc -mtriple=amdgcn-amd-amdhsa -mcpu=gfx1100 -filetype=obj < %s 2>&1 | llvm-objdump -d --section=.rodata - | FileCheck %s
+; RUN: llc -mtriple=amdgcn-amd-amdhsa -mcpu=gfx1010 -filetype=obj < %s 2>&1 | llvm-objdump -d --section=.rodata - | FileCheck %s
+; RUN: llc -mtriple=amdgcn-amd-amdhsa -mcpu=gfx1030 -filetype=obj < %s 2>&1 | llvm-objdump -d --section=.rodata - | FileCheck %s
+; RUN: llc -mtriple=amdgcn-amd-amdhsa -mcpu=gfx1031 -filetype=obj < %s 2>&1 | llvm-objdump -d --section=.rodata - | FileCheck %s
+
+; CHECK-NOT: error decoding test.kd: kernel descriptor COMPUTE_PGM_RSRC1_GRANULATED_WAVEFRONT_SGPR_COUNT reserved bits in range (9:6) set, must be zero on gfx10+
+define amdgpu_kernel void @test(i128 inreg) { 
+    ret void 
----------------
arsenm wrote:

```suggestion
  ret void 
```

https://github.com/llvm/llvm-project/pull/154666


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