[llvm] [AMDGPU][CodeGen] Fold immediates in src1 operands of V_MAD/MAC/FMA/FMAC. (PR #68002)

[Jay Foad via llvm-commits]

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@@ -7149,7 +7149,7 @@ define amdgpu_kernel void @udiv_i64_oddk_denom(ptr addrspace(1) %out, i64 %x) {
 ; GFX6-NEXT:    v_mul_f32_e32 v0, 0x5f7ffffc, v0
 ; GFX6-NEXT:    v_mul_f32_e32 v1, 0x2f800000, v0
 ; GFX6-NEXT:    v_trunc_f32_e32 v1, v1
-; GFX6-NEXT:    v_mac_f32_e32 v0, 0xcf800000, v1
+; GFX6-NEXT:    v_madmk_f32 v0, v1, 0xcf800000, v0
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jayfoad wrote:

Looks good, thanks.

https://github.com/llvm/llvm-project/pull/68002