[llvm] [AMDGPU] Remove v_cmp_t_* and v_cmp_f_* for GFX12 (PR #75498)

[via llvm-commits]

llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-mc

Author: Jay Foad (jayfoad)

<details>
<summary>Changes</summary>

Also v_cmpx_t_* and v_cmpx_f_*

No GFX12 encoding was added for these, so this patch just adds tests
that they are not recognized by the assembler.


---
Full diff: https://github.com/llvm/llvm-project/pull/75498.diff


1 Files Affected:

- (modified) llvm/test/MC/AMDGPU/gfx12_unsupported.s (+84) 


``````````diff
diff --git a/llvm/test/MC/AMDGPU/gfx12_unsupported.s b/llvm/test/MC/AMDGPU/gfx12_unsupported.s
index e835710a69fe85..60696e5f19be2b 100644
--- a/llvm/test/MC/AMDGPU/gfx12_unsupported.s
+++ b/llvm/test/MC/AMDGPU/gfx12_unsupported.s
@@ -52,6 +52,90 @@ ds_gws_barrier v0 gds
 ds_ordered_count v0, v1 gds
 // CHECK: :[[@LINE-1]]:{{[0-9]+}}: error: instruction not supported on this GPU
 
+v_cmp_f_f16 v0, v1
+// CHECK: :[[@LINE-1]]:{{[0-9]+}}: error: instruction not supported on this GPU
+
+v_cmp_t_f16 v0, v1
+// CHECK: :[[@LINE-1]]:{{[0-9]+}}: error: instruction not supported on this GPU
+
+v_cmp_f_f32 v0, v1
+// CHECK: :[[@LINE-1]]:{{[0-9]+}}: error: instruction not supported on this GPU
+
+v_cmp_t_f32 v0, v1
+// CHECK: :[[@LINE-1]]:{{[0-9]+}}: error: instruction not supported on this GPU
+
+v_cmp_f_f64 v[0:1], v[2:3]
+// CHECK: :[[@LINE-1]]:{{[0-9]+}}: error: instruction not supported on this GPU
+
+v_cmp_t_f64 v[0:1], v[2:3]
+// CHECK: :[[@LINE-1]]:{{[0-9]+}}: error: instruction not supported on this GPU
+
+v_cmp_f_i32 v0, v1
+// CHECK: :[[@LINE-1]]:{{[0-9]+}}: error: instruction not supported on this GPU
+
+v_cmp_t_i32 v0, v1
+// CHECK: :[[@LINE-1]]:{{[0-9]+}}: error: instruction not supported on this GPU
+
+v_cmp_f_u32 v0, v1
+// CHECK: :[[@LINE-1]]:{{[0-9]+}}: error: instruction not supported on this GPU
+
+v_cmp_t_u32 v0, v1
+// CHECK: :[[@LINE-1]]:{{[0-9]+}}: error: instruction not supported on this GPU
+
+v_cmp_f_i64 v[0:1], v[2:3]
+// CHECK: :[[@LINE-1]]:{{[0-9]+}}: error: instruction not supported on this GPU
+
+v_cmp_t_i64 v[0:1], v[2:3]
+// CHECK: :[[@LINE-1]]:{{[0-9]+}}: error: instruction not supported on this GPU
+
+v_cmp_f_u64 v[0:1], v[2:3]
+// CHECK: :[[@LINE-1]]:{{[0-9]+}}: error: instruction not supported on this GPU
+
+v_cmp_t_u64 v[0:1], v[2:3]
+// CHECK: :[[@LINE-1]]:{{[0-9]+}}: error: instruction not supported on this GPU
+
+v_cmpx_f_f16 v0, v1
+// CHECK: :[[@LINE-1]]:{{[0-9]+}}: error: instruction not supported on this GPU
+
+v_cmpx_t_f16 v0, v1
+// CHECK: :[[@LINE-1]]:{{[0-9]+}}: error: instruction not supported on this GPU
+
+v_cmpx_f_f32 v0, v1
+// CHECK: :[[@LINE-1]]:{{[0-9]+}}: error: instruction not supported on this GPU
+
+v_cmpx_t_f32 v0, v1
+// CHECK: :[[@LINE-1]]:{{[0-9]+}}: error: instruction not supported on this GPU
+
+v_cmpx_f_f64 v[0:1], v[2:3]
+// CHECK: :[[@LINE-1]]:{{[0-9]+}}: error: instruction not supported on this GPU
+
+v_cmpx_t_f64 v[0:1], v[2:3]
+// CHECK: :[[@LINE-1]]:{{[0-9]+}}: error: instruction not supported on this GPU
+
+v_cmpx_f_i32 v0, v1
+// CHECK: :[[@LINE-1]]:{{[0-9]+}}: error: instruction not supported on this GPU
+
+v_cmpx_t_i32 v0, v1
+// CHECK: :[[@LINE-1]]:{{[0-9]+}}: error: instruction not supported on this GPU
+
+v_cmpx_f_u32 v0, v1
+// CHECK: :[[@LINE-1]]:{{[0-9]+}}: error: instruction not supported on this GPU
+
+v_cmpx_t_u32 v0, v1
+// CHECK: :[[@LINE-1]]:{{[0-9]+}}: error: instruction not supported on this GPU
+
+v_cmpx_f_i64 v[0:1], v[2:3]
+// CHECK: :[[@LINE-1]]:{{[0-9]+}}: error: instruction not supported on this GPU
+
+v_cmpx_t_i64 v[0:1], v[2:3]
+// CHECK: :[[@LINE-1]]:{{[0-9]+}}: error: instruction not supported on this GPU
+
+v_cmpx_f_u64 v[0:1], v[2:3]
+// CHECK: :[[@LINE-1]]:{{[0-9]+}}: error: instruction not supported on this GPU
+
+v_cmpx_t_u64 v[0:1], v[2:3]
+// CHECK: :[[@LINE-1]]:{{[0-9]+}}: error: instruction not supported on this GPU
+
 buffer_atomic_cmpswap_f32 v[5:6], off, s[96:99], s3
 // CHECK: :[[@LINE-1]]:{{[0-9]+}}: error: instruction not supported on this GPU
 

``````````

</details>


https://github.com/llvm/llvm-project/pull/75498