[llvm] [LV] Add initial support for vectorizing literal struct return values (PR #109833)

[Florian Hahn via llvm-commits]

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@@ -68,46 +68,46 @@ define void @frexp_f16_i32() {
 define void @frexp_f16_i16() {
 ; GFX7-LABEL: 'frexp_f16_i16'
 ; GFX7-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %f16 = call { half, i16 } @llvm.frexp.f16.i16(half undef)
-; GFX7-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %v2f16 = call { <2 x half>, <2 x i16> } @llvm.frexp.v2f16.v2i16(<2 x half> undef)
-; GFX7-NEXT:  Cost Model: Found an estimated cost of 6 for instruction: %v3f16 = call { <3 x half>, <3 x i16> } @llvm.frexp.v3f16.v3i16(<3 x half> undef)
-; GFX7-NEXT:  Cost Model: Found an estimated cost of 8 for instruction: %v4f16 = call { <4 x half>, <4 x i16> } @llvm.frexp.v4f16.v4i16(<4 x half> undef)
-; GFX7-NEXT:  Cost Model: Found an estimated cost of 10 for instruction: %v5f16 = call { <5 x half>, <5 x i16> } @llvm.frexp.v5f16.v5i16(<5 x half> undef)
-; GFX7-NEXT:  Cost Model: Found an estimated cost of 16 for instruction: %v8f16 = call { <8 x half>, <8 x i16> } @llvm.frexp.v8f16.v8i16(<8 x half> undef)
-; GFX7-NEXT:  Cost Model: Found an estimated cost of 32 for instruction: %v16f16 = call { <16 x half>, <16 x i16> } @llvm.frexp.v16f16.v16i16(<16 x half> undef)
-; GFX7-NEXT:  Cost Model: Found an estimated cost of 34 for instruction: %v17f16 = call { <17 x half>, <17 x i16> } @llvm.frexp.v17f16.v17i16(<17 x half> undef)
+; GFX7-NEXT:  Cost Model: Found an estimated cost of 6 for instruction: %v2f16 = call { <2 x half>, <2 x i16> } @llvm.frexp.v2f16.v2i16(<2 x half> undef)
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fhahn wrote:

The cost model changes seem independent of the LV changes, could you split them off?

https://github.com/llvm/llvm-project/pull/109833