[llvm] [AMDGPU] Enable vectorization of i8 values. (PR #134934)
Gheorghe-Teodor Bercea via llvm-commits
llvm-commits at lists.llvm.org
Tue Apr 15 08:51:46 PDT 2025
================
@@ -396,157 +396,157 @@ define amdgpu_kernel void @shufflevector_i16(<2 x i16> %vec1, <2 x i16> %vec2) {
; Should not assert
define amdgpu_kernel void @shufflevector_i8(<2 x i8> %vec1, <2 x i8> %vec2) {
; ALL-LABEL: 'shufflevector_i8'
-; ALL-NEXT: Cost Model: Found an estimated cost of 3 for instruction: %shuf00 = shufflevector <2 x i8> %vec1, <2 x i8> %vec1, <2 x i32> zeroinitializer
+; ALL-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %shuf00 = shufflevector <2 x i8> %vec1, <2 x i8> %vec1, <2 x i32> zeroinitializer
; ALL-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %shuf01 = shufflevector <2 x i8> %vec1, <2 x i8> %vec1, <2 x i32> <i32 0, i32 1>
-; ALL-NEXT: Cost Model: Found an estimated cost of 4 for instruction: %shuf10 = shufflevector <2 x i8> %vec1, <2 x i8> %vec1, <2 x i32> <i32 1, i32 0>
-; ALL-NEXT: Cost Model: Found an estimated cost of 3 for instruction: %shuf11 = shufflevector <2 x i8> %vec1, <2 x i8> %vec1, <2 x i32> <i32 1, i32 1>
-; ALL-NEXT: Cost Model: Found an estimated cost of 4 for instruction: %shuf02 = shufflevector <2 x i8> %vec1, <2 x i8> %vec1, <2 x i32> <i32 0, i32 2>
-; ALL-NEXT: Cost Model: Found an estimated cost of 2 for instruction: %shuf20 = shufflevector <2 x i8> %vec1, <2 x i8> %vec1, <2 x i32> <i32 2, i32 0>
-; ALL-NEXT: Cost Model: Found an estimated cost of 3 for instruction: %shuf22 = shufflevector <2 x i8> %vec1, <2 x i8> %vec1, <2 x i32> <i32 2, i32 2>
-; ALL-NEXT: Cost Model: Found an estimated cost of 4 for instruction: %shuf03 = shufflevector <2 x i8> %vec1, <2 x i8> %vec1, <2 x i32> <i32 0, i32 3>
-; ALL-NEXT: Cost Model: Found an estimated cost of 4 for instruction: %shuf30 = shufflevector <2 x i8> %vec1, <2 x i8> %vec1, <2 x i32> <i32 3, i32 0>
-; ALL-NEXT: Cost Model: Found an estimated cost of 3 for instruction: %shuf33 = shufflevector <2 x i8> %vec1, <2 x i8> %vec1, <2 x i32> <i32 3, i32 3>
-; ALL-NEXT: Cost Model: Found an estimated cost of 4 for instruction: %shuf12 = shufflevector <2 x i8> %vec1, <2 x i8> %vec1, <2 x i32> <i32 1, i32 2>
-; ALL-NEXT: Cost Model: Found an estimated cost of 4 for instruction: %shuf21 = shufflevector <2 x i8> %vec1, <2 x i8> %vec1, <2 x i32> <i32 2, i32 1>
-; ALL-NEXT: Cost Model: Found an estimated cost of 4 for instruction: %shuf13 = shufflevector <2 x i8> %vec1, <2 x i8> %vec1, <2 x i32> <i32 1, i32 3>
-; ALL-NEXT: Cost Model: Found an estimated cost of 4 for instruction: %shuf31 = shufflevector <2 x i8> %vec1, <2 x i8> %vec1, <2 x i32> <i32 3, i32 1>
+; ALL-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %shuf10 = shufflevector <2 x i8> %vec1, <2 x i8> %vec1, <2 x i32> <i32 1, i32 0>
+; ALL-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %shuf11 = shufflevector <2 x i8> %vec1, <2 x i8> %vec1, <2 x i32> <i32 1, i32 1>
+; ALL-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %shuf02 = shufflevector <2 x i8> %vec1, <2 x i8> %vec1, <2 x i32> <i32 0, i32 2>
+; ALL-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %shuf20 = shufflevector <2 x i8> %vec1, <2 x i8> %vec1, <2 x i32> <i32 2, i32 0>
+; ALL-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %shuf22 = shufflevector <2 x i8> %vec1, <2 x i8> %vec1, <2 x i32> <i32 2, i32 2>
+; ALL-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %shuf03 = shufflevector <2 x i8> %vec1, <2 x i8> %vec1, <2 x i32> <i32 0, i32 3>
+; ALL-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %shuf30 = shufflevector <2 x i8> %vec1, <2 x i8> %vec1, <2 x i32> <i32 3, i32 0>
+; ALL-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %shuf33 = shufflevector <2 x i8> %vec1, <2 x i8> %vec1, <2 x i32> <i32 3, i32 3>
+; ALL-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %shuf12 = shufflevector <2 x i8> %vec1, <2 x i8> %vec1, <2 x i32> <i32 1, i32 2>
+; ALL-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %shuf21 = shufflevector <2 x i8> %vec1, <2 x i8> %vec1, <2 x i32> <i32 2, i32 1>
+; ALL-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %shuf13 = shufflevector <2 x i8> %vec1, <2 x i8> %vec1, <2 x i32> <i32 1, i32 3>
+; ALL-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %shuf31 = shufflevector <2 x i8> %vec1, <2 x i8> %vec1, <2 x i32> <i32 3, i32 1>
; ALL-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %shuf23 = shufflevector <2 x i8> %vec1, <2 x i8> %vec1, <2 x i32> <i32 2, i32 3>
-; ALL-NEXT: Cost Model: Found an estimated cost of 4 for instruction: %shuf32 = shufflevector <2 x i8> %vec1, <2 x i8> %vec1, <2 x i32> <i32 3, i32 2>
-; ALL-NEXT: Cost Model: Found an estimated cost of 6 for instruction: %shuf000 = shufflevector <2 x i8> %vec1, <2 x i8> %vec1, <3 x i32> zeroinitializer
-; ALL-NEXT: Cost Model: Found an estimated cost of 6 for instruction: %shuf001 = shufflevector <2 x i8> %vec1, <2 x i8> %vec1, <3 x i32> <i32 0, i32 0, i32 1>
-; ALL-NEXT: Cost Model: Found an estimated cost of 6 for instruction: %shuf010 = shufflevector <2 x i8> %vec1, <2 x i8> %vec1, <3 x i32> <i32 0, i32 1, i32 0>
-; ALL-NEXT: Cost Model: Found an estimated cost of 6 for instruction: %shuf011 = shufflevector <2 x i8> %vec1, <2 x i8> %vec1, <3 x i32> <i32 0, i32 1, i32 1>
-; ALL-NEXT: Cost Model: Found an estimated cost of 6 for instruction: %shuf100 = shufflevector <2 x i8> %vec1, <2 x i8> %vec1, <3 x i32> <i32 1, i32 0, i32 0>
-; ALL-NEXT: Cost Model: Found an estimated cost of 6 for instruction: %shuf101 = shufflevector <2 x i8> %vec1, <2 x i8> %vec1, <3 x i32> <i32 1, i32 0, i32 1>
-; ALL-NEXT: Cost Model: Found an estimated cost of 6 for instruction: %shuf110 = shufflevector <2 x i8> %vec1, <2 x i8> %vec1, <3 x i32> <i32 1, i32 1, i32 0>
-; ALL-NEXT: Cost Model: Found an estimated cost of 6 for instruction: %shuf111 = shufflevector <2 x i8> %vec1, <2 x i8> %vec1, <3 x i32> <i32 1, i32 1, i32 1>
-; ALL-NEXT: Cost Model: Found an estimated cost of 6 for instruction: %shuf002 = shufflevector <2 x i8> %vec1, <2 x i8> %vec1, <3 x i32> <i32 0, i32 0, i32 2>
-; ALL-NEXT: Cost Model: Found an estimated cost of 6 for instruction: %shuf020 = shufflevector <2 x i8> %vec1, <2 x i8> %vec1, <3 x i32> <i32 0, i32 2, i32 0>
-; ALL-NEXT: Cost Model: Found an estimated cost of 6 for instruction: %shuf022 = shufflevector <2 x i8> %vec1, <2 x i8> %vec1, <3 x i32> <i32 0, i32 2, i32 2>
-; ALL-NEXT: Cost Model: Found an estimated cost of 6 for instruction: %shuf200 = shufflevector <2 x i8> %vec1, <2 x i8> %vec1, <3 x i32> <i32 2, i32 0, i32 0>
-; ALL-NEXT: Cost Model: Found an estimated cost of 6 for instruction: %shuf202 = shufflevector <2 x i8> %vec1, <2 x i8> %vec1, <3 x i32> <i32 2, i32 0, i32 2>
-; ALL-NEXT: Cost Model: Found an estimated cost of 6 for instruction: %shuf220 = shufflevector <2 x i8> %vec1, <2 x i8> %vec1, <3 x i32> <i32 2, i32 2, i32 0>
-; ALL-NEXT: Cost Model: Found an estimated cost of 6 for instruction: %shuf222 = shufflevector <2 x i8> %vec1, <2 x i8> %vec1, <3 x i32> <i32 2, i32 2, i32 2>
-; ALL-NEXT: Cost Model: Found an estimated cost of 6 for instruction: %shuf112 = shufflevector <2 x i8> %vec1, <2 x i8> %vec1, <3 x i32> <i32 1, i32 1, i32 2>
-; ALL-NEXT: Cost Model: Found an estimated cost of 6 for instruction: %shuf121 = shufflevector <2 x i8> %vec1, <2 x i8> %vec1, <3 x i32> <i32 1, i32 2, i32 1>
-; ALL-NEXT: Cost Model: Found an estimated cost of 6 for instruction: %shuf122 = shufflevector <2 x i8> %vec1, <2 x i8> %vec1, <3 x i32> <i32 1, i32 2, i32 2>
-; ALL-NEXT: Cost Model: Found an estimated cost of 6 for instruction: %shuf211 = shufflevector <2 x i8> %vec1, <2 x i8> %vec1, <3 x i32> <i32 2, i32 1, i32 1>
-; ALL-NEXT: Cost Model: Found an estimated cost of 6 for instruction: %shuf212 = shufflevector <2 x i8> %vec1, <2 x i8> %vec1, <3 x i32> <i32 2, i32 1, i32 2>
-; ALL-NEXT: Cost Model: Found an estimated cost of 6 for instruction: %shuf221 = shufflevector <2 x i8> %vec1, <2 x i8> %vec1, <3 x i32> <i32 2, i32 2, i32 1>
-; ALL-NEXT: Cost Model: Found an estimated cost of 3 for instruction: %shuf00_2 = shufflevector <2 x i8> %vec1, <2 x i8> %vec2, <2 x i32> zeroinitializer
+; ALL-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %shuf32 = shufflevector <2 x i8> %vec1, <2 x i8> %vec1, <2 x i32> <i32 3, i32 2>
+; ALL-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %shuf000 = shufflevector <2 x i8> %vec1, <2 x i8> %vec1, <3 x i32> zeroinitializer
+; ALL-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %shuf001 = shufflevector <2 x i8> %vec1, <2 x i8> %vec1, <3 x i32> <i32 0, i32 0, i32 1>
+; ALL-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %shuf010 = shufflevector <2 x i8> %vec1, <2 x i8> %vec1, <3 x i32> <i32 0, i32 1, i32 0>
+; ALL-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %shuf011 = shufflevector <2 x i8> %vec1, <2 x i8> %vec1, <3 x i32> <i32 0, i32 1, i32 1>
+; ALL-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %shuf100 = shufflevector <2 x i8> %vec1, <2 x i8> %vec1, <3 x i32> <i32 1, i32 0, i32 0>
+; ALL-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %shuf101 = shufflevector <2 x i8> %vec1, <2 x i8> %vec1, <3 x i32> <i32 1, i32 0, i32 1>
+; ALL-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %shuf110 = shufflevector <2 x i8> %vec1, <2 x i8> %vec1, <3 x i32> <i32 1, i32 1, i32 0>
+; ALL-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %shuf111 = shufflevector <2 x i8> %vec1, <2 x i8> %vec1, <3 x i32> <i32 1, i32 1, i32 1>
+; ALL-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %shuf002 = shufflevector <2 x i8> %vec1, <2 x i8> %vec1, <3 x i32> <i32 0, i32 0, i32 2>
+; ALL-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %shuf020 = shufflevector <2 x i8> %vec1, <2 x i8> %vec1, <3 x i32> <i32 0, i32 2, i32 0>
+; ALL-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %shuf022 = shufflevector <2 x i8> %vec1, <2 x i8> %vec1, <3 x i32> <i32 0, i32 2, i32 2>
+; ALL-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %shuf200 = shufflevector <2 x i8> %vec1, <2 x i8> %vec1, <3 x i32> <i32 2, i32 0, i32 0>
+; ALL-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %shuf202 = shufflevector <2 x i8> %vec1, <2 x i8> %vec1, <3 x i32> <i32 2, i32 0, i32 2>
+; ALL-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %shuf220 = shufflevector <2 x i8> %vec1, <2 x i8> %vec1, <3 x i32> <i32 2, i32 2, i32 0>
+; ALL-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %shuf222 = shufflevector <2 x i8> %vec1, <2 x i8> %vec1, <3 x i32> <i32 2, i32 2, i32 2>
+; ALL-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %shuf112 = shufflevector <2 x i8> %vec1, <2 x i8> %vec1, <3 x i32> <i32 1, i32 1, i32 2>
+; ALL-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %shuf121 = shufflevector <2 x i8> %vec1, <2 x i8> %vec1, <3 x i32> <i32 1, i32 2, i32 1>
+; ALL-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %shuf122 = shufflevector <2 x i8> %vec1, <2 x i8> %vec1, <3 x i32> <i32 1, i32 2, i32 2>
+; ALL-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %shuf211 = shufflevector <2 x i8> %vec1, <2 x i8> %vec1, <3 x i32> <i32 2, i32 1, i32 1>
+; ALL-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %shuf212 = shufflevector <2 x i8> %vec1, <2 x i8> %vec1, <3 x i32> <i32 2, i32 1, i32 2>
+; ALL-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %shuf221 = shufflevector <2 x i8> %vec1, <2 x i8> %vec1, <3 x i32> <i32 2, i32 2, i32 1>
+; ALL-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %shuf00_2 = shufflevector <2 x i8> %vec1, <2 x i8> %vec2, <2 x i32> zeroinitializer
; ALL-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %shuf01_2 = shufflevector <2 x i8> %vec1, <2 x i8> %vec2, <2 x i32> <i32 0, i32 1>
-; ALL-NEXT: Cost Model: Found an estimated cost of 4 for instruction: %shuf10_2 = shufflevector <2 x i8> %vec1, <2 x i8> %vec2, <2 x i32> <i32 1, i32 0>
-; ALL-NEXT: Cost Model: Found an estimated cost of 3 for instruction: %shuf11_2 = shufflevector <2 x i8> %vec1, <2 x i8> %vec2, <2 x i32> <i32 1, i32 1>
-; ALL-NEXT: Cost Model: Found an estimated cost of 4 for instruction: %shuf02_2 = shufflevector <2 x i8> %vec1, <2 x i8> %vec2, <2 x i32> <i32 0, i32 2>
-; ALL-NEXT: Cost Model: Found an estimated cost of 2 for instruction: %shuf20_2 = shufflevector <2 x i8> %vec1, <2 x i8> %vec2, <2 x i32> <i32 2, i32 0>
-; ALL-NEXT: Cost Model: Found an estimated cost of 3 for instruction: %shuf22_2 = shufflevector <2 x i8> %vec1, <2 x i8> %vec2, <2 x i32> <i32 2, i32 2>
-; ALL-NEXT: Cost Model: Found an estimated cost of 4 for instruction: %shuf03_2 = shufflevector <2 x i8> %vec1, <2 x i8> %vec2, <2 x i32> <i32 0, i32 3>
-; ALL-NEXT: Cost Model: Found an estimated cost of 4 for instruction: %shuf30_2 = shufflevector <2 x i8> %vec1, <2 x i8> %vec2, <2 x i32> <i32 3, i32 0>
-; ALL-NEXT: Cost Model: Found an estimated cost of 3 for instruction: %shuf33_2 = shufflevector <2 x i8> %vec1, <2 x i8> %vec2, <2 x i32> <i32 3, i32 3>
-; ALL-NEXT: Cost Model: Found an estimated cost of 4 for instruction: %shuf12_2 = shufflevector <2 x i8> %vec1, <2 x i8> %vec2, <2 x i32> <i32 1, i32 2>
-; ALL-NEXT: Cost Model: Found an estimated cost of 4 for instruction: %shuf21_2 = shufflevector <2 x i8> %vec1, <2 x i8> %vec2, <2 x i32> <i32 2, i32 1>
-; ALL-NEXT: Cost Model: Found an estimated cost of 4 for instruction: %shuf13_2 = shufflevector <2 x i8> %vec1, <2 x i8> %vec2, <2 x i32> <i32 1, i32 3>
-; ALL-NEXT: Cost Model: Found an estimated cost of 4 for instruction: %shuf31_2 = shufflevector <2 x i8> %vec1, <2 x i8> %vec2, <2 x i32> <i32 3, i32 1>
+; ALL-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %shuf10_2 = shufflevector <2 x i8> %vec1, <2 x i8> %vec2, <2 x i32> <i32 1, i32 0>
+; ALL-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %shuf11_2 = shufflevector <2 x i8> %vec1, <2 x i8> %vec2, <2 x i32> <i32 1, i32 1>
+; ALL-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %shuf02_2 = shufflevector <2 x i8> %vec1, <2 x i8> %vec2, <2 x i32> <i32 0, i32 2>
+; ALL-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %shuf20_2 = shufflevector <2 x i8> %vec1, <2 x i8> %vec2, <2 x i32> <i32 2, i32 0>
+; ALL-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %shuf22_2 = shufflevector <2 x i8> %vec1, <2 x i8> %vec2, <2 x i32> <i32 2, i32 2>
+; ALL-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %shuf03_2 = shufflevector <2 x i8> %vec1, <2 x i8> %vec2, <2 x i32> <i32 0, i32 3>
+; ALL-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %shuf30_2 = shufflevector <2 x i8> %vec1, <2 x i8> %vec2, <2 x i32> <i32 3, i32 0>
+; ALL-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %shuf33_2 = shufflevector <2 x i8> %vec1, <2 x i8> %vec2, <2 x i32> <i32 3, i32 3>
+; ALL-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %shuf12_2 = shufflevector <2 x i8> %vec1, <2 x i8> %vec2, <2 x i32> <i32 1, i32 2>
+; ALL-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %shuf21_2 = shufflevector <2 x i8> %vec1, <2 x i8> %vec2, <2 x i32> <i32 2, i32 1>
+; ALL-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %shuf13_2 = shufflevector <2 x i8> %vec1, <2 x i8> %vec2, <2 x i32> <i32 1, i32 3>
+; ALL-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %shuf31_2 = shufflevector <2 x i8> %vec1, <2 x i8> %vec2, <2 x i32> <i32 3, i32 1>
; ALL-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %shuf23_2 = shufflevector <2 x i8> %vec1, <2 x i8> %vec2, <2 x i32> <i32 2, i32 3>
-; ALL-NEXT: Cost Model: Found an estimated cost of 4 for instruction: %shuf32_2 = shufflevector <2 x i8> %vec1, <2 x i8> %vec2, <2 x i32> <i32 3, i32 2>
-; ALL-NEXT: Cost Model: Found an estimated cost of 6 for instruction: %shuf000_2 = shufflevector <2 x i8> %vec1, <2 x i8> %vec2, <3 x i32> zeroinitializer
-; ALL-NEXT: Cost Model: Found an estimated cost of 6 for instruction: %shuf001_2 = shufflevector <2 x i8> %vec1, <2 x i8> %vec2, <3 x i32> <i32 0, i32 0, i32 1>
-; ALL-NEXT: Cost Model: Found an estimated cost of 6 for instruction: %shuf010_2 = shufflevector <2 x i8> %vec1, <2 x i8> %vec2, <3 x i32> <i32 0, i32 1, i32 0>
-; ALL-NEXT: Cost Model: Found an estimated cost of 6 for instruction: %shuf011_2 = shufflevector <2 x i8> %vec1, <2 x i8> %vec2, <3 x i32> <i32 0, i32 1, i32 1>
-; ALL-NEXT: Cost Model: Found an estimated cost of 6 for instruction: %shuf100_2 = shufflevector <2 x i8> %vec1, <2 x i8> %vec2, <3 x i32> <i32 1, i32 0, i32 0>
-; ALL-NEXT: Cost Model: Found an estimated cost of 6 for instruction: %shuf101_2 = shufflevector <2 x i8> %vec1, <2 x i8> %vec2, <3 x i32> <i32 1, i32 0, i32 1>
-; ALL-NEXT: Cost Model: Found an estimated cost of 6 for instruction: %shuf110_2 = shufflevector <2 x i8> %vec1, <2 x i8> %vec2, <3 x i32> <i32 1, i32 1, i32 0>
-; ALL-NEXT: Cost Model: Found an estimated cost of 6 for instruction: %shuf111_2 = shufflevector <2 x i8> %vec1, <2 x i8> %vec2, <3 x i32> <i32 1, i32 1, i32 1>
-; ALL-NEXT: Cost Model: Found an estimated cost of 6 for instruction: %shuf002_2 = shufflevector <2 x i8> %vec1, <2 x i8> %vec2, <3 x i32> <i32 0, i32 0, i32 2>
-; ALL-NEXT: Cost Model: Found an estimated cost of 6 for instruction: %shuf020_2 = shufflevector <2 x i8> %vec1, <2 x i8> %vec2, <3 x i32> <i32 0, i32 2, i32 0>
-; ALL-NEXT: Cost Model: Found an estimated cost of 6 for instruction: %shuf022_2 = shufflevector <2 x i8> %vec1, <2 x i8> %vec2, <3 x i32> <i32 0, i32 2, i32 2>
-; ALL-NEXT: Cost Model: Found an estimated cost of 6 for instruction: %shuf200_2 = shufflevector <2 x i8> %vec1, <2 x i8> %vec2, <3 x i32> <i32 2, i32 0, i32 0>
-; ALL-NEXT: Cost Model: Found an estimated cost of 6 for instruction: %shuf202_2 = shufflevector <2 x i8> %vec1, <2 x i8> %vec2, <3 x i32> <i32 2, i32 0, i32 2>
-; ALL-NEXT: Cost Model: Found an estimated cost of 6 for instruction: %shuf220_2 = shufflevector <2 x i8> %vec1, <2 x i8> %vec2, <3 x i32> <i32 2, i32 2, i32 0>
-; ALL-NEXT: Cost Model: Found an estimated cost of 6 for instruction: %shuf222_2 = shufflevector <2 x i8> %vec1, <2 x i8> %vec2, <3 x i32> <i32 2, i32 2, i32 2>
-; ALL-NEXT: Cost Model: Found an estimated cost of 6 for instruction: %shuf112_2 = shufflevector <2 x i8> %vec1, <2 x i8> %vec2, <3 x i32> <i32 1, i32 1, i32 2>
-; ALL-NEXT: Cost Model: Found an estimated cost of 6 for instruction: %shuf121_2 = shufflevector <2 x i8> %vec1, <2 x i8> %vec2, <3 x i32> <i32 1, i32 2, i32 1>
-; ALL-NEXT: Cost Model: Found an estimated cost of 6 for instruction: %shuf122_2 = shufflevector <2 x i8> %vec1, <2 x i8> %vec2, <3 x i32> <i32 1, i32 2, i32 2>
-; ALL-NEXT: Cost Model: Found an estimated cost of 6 for instruction: %shuf211_2 = shufflevector <2 x i8> %vec1, <2 x i8> %vec2, <3 x i32> <i32 2, i32 1, i32 1>
-; ALL-NEXT: Cost Model: Found an estimated cost of 6 for instruction: %shuf212_2 = shufflevector <2 x i8> %vec1, <2 x i8> %vec2, <3 x i32> <i32 2, i32 1, i32 2>
-; ALL-NEXT: Cost Model: Found an estimated cost of 6 for instruction: %shuf221_2 = shufflevector <2 x i8> %vec1, <2 x i8> %vec2, <3 x i32> <i32 2, i32 2, i32 1>
+; ALL-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %shuf32_2 = shufflevector <2 x i8> %vec1, <2 x i8> %vec2, <2 x i32> <i32 3, i32 2>
+; ALL-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %shuf000_2 = shufflevector <2 x i8> %vec1, <2 x i8> %vec2, <3 x i32> zeroinitializer
+; ALL-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %shuf001_2 = shufflevector <2 x i8> %vec1, <2 x i8> %vec2, <3 x i32> <i32 0, i32 0, i32 1>
+; ALL-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %shuf010_2 = shufflevector <2 x i8> %vec1, <2 x i8> %vec2, <3 x i32> <i32 0, i32 1, i32 0>
+; ALL-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %shuf011_2 = shufflevector <2 x i8> %vec1, <2 x i8> %vec2, <3 x i32> <i32 0, i32 1, i32 1>
+; ALL-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %shuf100_2 = shufflevector <2 x i8> %vec1, <2 x i8> %vec2, <3 x i32> <i32 1, i32 0, i32 0>
+; ALL-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %shuf101_2 = shufflevector <2 x i8> %vec1, <2 x i8> %vec2, <3 x i32> <i32 1, i32 0, i32 1>
+; ALL-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %shuf110_2 = shufflevector <2 x i8> %vec1, <2 x i8> %vec2, <3 x i32> <i32 1, i32 1, i32 0>
+; ALL-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %shuf111_2 = shufflevector <2 x i8> %vec1, <2 x i8> %vec2, <3 x i32> <i32 1, i32 1, i32 1>
+; ALL-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %shuf002_2 = shufflevector <2 x i8> %vec1, <2 x i8> %vec2, <3 x i32> <i32 0, i32 0, i32 2>
+; ALL-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %shuf020_2 = shufflevector <2 x i8> %vec1, <2 x i8> %vec2, <3 x i32> <i32 0, i32 2, i32 0>
+; ALL-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %shuf022_2 = shufflevector <2 x i8> %vec1, <2 x i8> %vec2, <3 x i32> <i32 0, i32 2, i32 2>
+; ALL-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %shuf200_2 = shufflevector <2 x i8> %vec1, <2 x i8> %vec2, <3 x i32> <i32 2, i32 0, i32 0>
+; ALL-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %shuf202_2 = shufflevector <2 x i8> %vec1, <2 x i8> %vec2, <3 x i32> <i32 2, i32 0, i32 2>
+; ALL-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %shuf220_2 = shufflevector <2 x i8> %vec1, <2 x i8> %vec2, <3 x i32> <i32 2, i32 2, i32 0>
+; ALL-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %shuf222_2 = shufflevector <2 x i8> %vec1, <2 x i8> %vec2, <3 x i32> <i32 2, i32 2, i32 2>
+; ALL-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %shuf112_2 = shufflevector <2 x i8> %vec1, <2 x i8> %vec2, <3 x i32> <i32 1, i32 1, i32 2>
+; ALL-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %shuf121_2 = shufflevector <2 x i8> %vec1, <2 x i8> %vec2, <3 x i32> <i32 1, i32 2, i32 1>
+; ALL-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %shuf122_2 = shufflevector <2 x i8> %vec1, <2 x i8> %vec2, <3 x i32> <i32 1, i32 2, i32 2>
+; ALL-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %shuf211_2 = shufflevector <2 x i8> %vec1, <2 x i8> %vec2, <3 x i32> <i32 2, i32 1, i32 1>
+; ALL-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %shuf212_2 = shufflevector <2 x i8> %vec1, <2 x i8> %vec2, <3 x i32> <i32 2, i32 1, i32 2>
+; ALL-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %shuf221_2 = shufflevector <2 x i8> %vec1, <2 x i8> %vec2, <3 x i32> <i32 2, i32 2, i32 1>
; ALL-NEXT: Cost Model: Found an estimated cost of 10 for instruction: ret void
;
; ALL-SIZE-LABEL: 'shufflevector_i8'
-; ALL-SIZE-NEXT: Cost Model: Found an estimated cost of 3 for instruction: %shuf00 = shufflevector <2 x i8> %vec1, <2 x i8> %vec1, <2 x i32> zeroinitializer
+; ALL-SIZE-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %shuf00 = shufflevector <2 x i8> %vec1, <2 x i8> %vec1, <2 x i32> zeroinitializer
; ALL-SIZE-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %shuf01 = shufflevector <2 x i8> %vec1, <2 x i8> %vec1, <2 x i32> <i32 0, i32 1>
-; ALL-SIZE-NEXT: Cost Model: Found an estimated cost of 4 for instruction: %shuf10 = shufflevector <2 x i8> %vec1, <2 x i8> %vec1, <2 x i32> <i32 1, i32 0>
-; ALL-SIZE-NEXT: Cost Model: Found an estimated cost of 3 for instruction: %shuf11 = shufflevector <2 x i8> %vec1, <2 x i8> %vec1, <2 x i32> <i32 1, i32 1>
-; ALL-SIZE-NEXT: Cost Model: Found an estimated cost of 4 for instruction: %shuf02 = shufflevector <2 x i8> %vec1, <2 x i8> %vec1, <2 x i32> <i32 0, i32 2>
-; ALL-SIZE-NEXT: Cost Model: Found an estimated cost of 2 for instruction: %shuf20 = shufflevector <2 x i8> %vec1, <2 x i8> %vec1, <2 x i32> <i32 2, i32 0>
-; ALL-SIZE-NEXT: Cost Model: Found an estimated cost of 3 for instruction: %shuf22 = shufflevector <2 x i8> %vec1, <2 x i8> %vec1, <2 x i32> <i32 2, i32 2>
-; ALL-SIZE-NEXT: Cost Model: Found an estimated cost of 4 for instruction: %shuf03 = shufflevector <2 x i8> %vec1, <2 x i8> %vec1, <2 x i32> <i32 0, i32 3>
-; ALL-SIZE-NEXT: Cost Model: Found an estimated cost of 4 for instruction: %shuf30 = shufflevector <2 x i8> %vec1, <2 x i8> %vec1, <2 x i32> <i32 3, i32 0>
-; ALL-SIZE-NEXT: Cost Model: Found an estimated cost of 3 for instruction: %shuf33 = shufflevector <2 x i8> %vec1, <2 x i8> %vec1, <2 x i32> <i32 3, i32 3>
-; ALL-SIZE-NEXT: Cost Model: Found an estimated cost of 4 for instruction: %shuf12 = shufflevector <2 x i8> %vec1, <2 x i8> %vec1, <2 x i32> <i32 1, i32 2>
-; ALL-SIZE-NEXT: Cost Model: Found an estimated cost of 4 for instruction: %shuf21 = shufflevector <2 x i8> %vec1, <2 x i8> %vec1, <2 x i32> <i32 2, i32 1>
-; ALL-SIZE-NEXT: Cost Model: Found an estimated cost of 4 for instruction: %shuf13 = shufflevector <2 x i8> %vec1, <2 x i8> %vec1, <2 x i32> <i32 1, i32 3>
-; ALL-SIZE-NEXT: Cost Model: Found an estimated cost of 4 for instruction: %shuf31 = shufflevector <2 x i8> %vec1, <2 x i8> %vec1, <2 x i32> <i32 3, i32 1>
+; ALL-SIZE-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %shuf10 = shufflevector <2 x i8> %vec1, <2 x i8> %vec1, <2 x i32> <i32 1, i32 0>
+; ALL-SIZE-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %shuf11 = shufflevector <2 x i8> %vec1, <2 x i8> %vec1, <2 x i32> <i32 1, i32 1>
+; ALL-SIZE-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %shuf02 = shufflevector <2 x i8> %vec1, <2 x i8> %vec1, <2 x i32> <i32 0, i32 2>
+; ALL-SIZE-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %shuf20 = shufflevector <2 x i8> %vec1, <2 x i8> %vec1, <2 x i32> <i32 2, i32 0>
+; ALL-SIZE-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %shuf22 = shufflevector <2 x i8> %vec1, <2 x i8> %vec1, <2 x i32> <i32 2, i32 2>
+; ALL-SIZE-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %shuf03 = shufflevector <2 x i8> %vec1, <2 x i8> %vec1, <2 x i32> <i32 0, i32 3>
+; ALL-SIZE-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %shuf30 = shufflevector <2 x i8> %vec1, <2 x i8> %vec1, <2 x i32> <i32 3, i32 0>
+; ALL-SIZE-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %shuf33 = shufflevector <2 x i8> %vec1, <2 x i8> %vec1, <2 x i32> <i32 3, i32 3>
+; ALL-SIZE-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %shuf12 = shufflevector <2 x i8> %vec1, <2 x i8> %vec1, <2 x i32> <i32 1, i32 2>
----------------
doru1004 wrote:
No longer 0, I'll mark this as fixed but can revisit in light of the latest changes.
https://github.com/llvm/llvm-project/pull/134934
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