[llvm] AMDGPU: Use OtherPredicates for some pseudo DOT instruction definitio… (PR #84234)
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Wed Mar 6 12:58:41 PST 2024
llvmbot wrote:
<!--LLVM PR SUMMARY COMMENT-->
@llvm/pr-subscribers-backend-amdgpu
Author: Changpeng Fang (changpeng)
<details>
<summary>Changes</summary>
…ns, NFC
SubtargetPredicate will not be copied to real, and will be overridden
in DPP6 real.
---
Full diff: https://github.com/llvm/llvm-project/pull/84234.diff
2 Files Affected:
- (modified) llvm/lib/Target/AMDGPU/VOP3Instructions.td (+1-1)
- (modified) llvm/lib/Target/AMDGPU/VOP3PInstructions.td (+2)
``````````diff
diff --git a/llvm/lib/Target/AMDGPU/VOP3Instructions.td b/llvm/lib/Target/AMDGPU/VOP3Instructions.td
index 334cfad478f151..3340ded9d36000 100644
--- a/llvm/lib/Target/AMDGPU/VOP3Instructions.td
+++ b/llvm/lib/Target/AMDGPU/VOP3Instructions.td
@@ -893,7 +893,7 @@ let SubtargetPredicate = isGFX12Plus, ReadsModeReg = 0 in {
defm V_MINIMUMMAXIMUM_F16 : VOP3Inst<"v_minimummaximum_f16", VOP3_Profile<VOP_F16_F16_F16_F16, VOP3_OPSEL>>;
} // End SubtargetPredicate = isGFX12Plus, ReadsModeReg = 0
-let SubtargetPredicate = HasDot9Insts, IsDOT=1 in {
+let OtherPredicates = [HasDot9Insts], IsDOT=1 in {
defm V_DOT2_F16_F16 : VOP3Inst<"v_dot2_f16_f16", VOP3_DOT_Profile<VOP_F16_V2F16_V2F16_F16>, int_amdgcn_fdot2_f16_f16>;
defm V_DOT2_BF16_BF16 : VOP3Inst<"v_dot2_bf16_bf16", VOP3_DOT_Profile<VOP_BF16_V2BF16_V2BF16_BF16>, int_amdgcn_fdot2_bf16_bf16>;
}
diff --git a/llvm/lib/Target/AMDGPU/VOP3PInstructions.td b/llvm/lib/Target/AMDGPU/VOP3PInstructions.td
index ac3c8f95306bc9..f22195bd573901 100644
--- a/llvm/lib/Target/AMDGPU/VOP3PInstructions.td
+++ b/llvm/lib/Target/AMDGPU/VOP3PInstructions.td
@@ -480,10 +480,12 @@ multiclass VOP3PDOTF8Inst <string OpName, SDPatternOperator intrinsic_node> {
i32:$src2_modifiers, f32:$src2)>;
}
+let OtherPredicates = [isGFX12Plus] in {
defm V_DOT4_F32_FP8_BF8 : VOP3PDOTF8Inst<"v_dot4_f32_fp8_bf8", int_amdgcn_dot4_f32_fp8_bf8>;
defm V_DOT4_F32_BF8_FP8 : VOP3PDOTF8Inst<"v_dot4_f32_bf8_fp8", int_amdgcn_dot4_f32_bf8_fp8>;
defm V_DOT4_F32_FP8_FP8 : VOP3PDOTF8Inst<"v_dot4_f32_fp8_fp8", int_amdgcn_dot4_f32_fp8_fp8>;
defm V_DOT4_F32_BF8_BF8 : VOP3PDOTF8Inst<"v_dot4_f32_bf8_bf8", int_amdgcn_dot4_f32_bf8_bf8>;
+}
def : UDot2Pat<V_DOT2_U32_U16>;
def : SDot2Pat<V_DOT2_I32_I16>;
``````````
</details>
https://github.com/llvm/llvm-project/pull/84234
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