reduction.ll - OpenGrok cross reference for /external/llvm-project/llvm/test/Analysis/CostModel/X86/reduction.ll

Lines Matching refs:SLM
8 …-reduxcost=true -mtriple=x86_64-apple-darwin -analyze -mcpu=slm | FileCheck %s --check-prefixes=SLM
47 ; SLM-LABEL: 'reduction_cost_float'
48 ; SLM-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %rdx.shuf = shufflevector <4…
49 ; SLM-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %bin.rdx = fadd <4 x float> …
50 ; SLM-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %rdx.shuf7 = shufflevector <…
51 ; SLM-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %bin.rdx8 = fadd <4 x float>…
52 ; SLM-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %r = extractelement <4 x flo…
53 ; SLM-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret float %r
95 ; SLM-LABEL: 'reduction_cost_int'
96 ; SLM-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %rdx.shuf = shufflevector <8…
97 ; SLM-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %bin.rdx = add <8 x i32> %rd…
98 ; SLM-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %rdx.shuf.2 = shufflevector …
99 ; SLM-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %bin.rdx.2 = add <8 x i32> %…
100 ; SLM-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %rdx.shuf.3 = shufflevector …
101 ; SLM-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %bin.rdx.3 = add <8 x i32> %…
102 ; SLM-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %r = extractelement <8 x i32…
103 ; SLM-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret i32 %r
167 ; SLM-LABEL: 'pairwise_hadd'
168 ; SLM-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %rdx.shuf.0.0 = shufflevecto…
169 ; SLM-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %rdx.shuf.0.1 = shufflevecto…
170 ; SLM-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %bin.rdx.0 = fadd <4 x float…
171 ; SLM-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: %rdx.shuf.1.0 = shufflevecto…
172 ; SLM-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %rdx.shuf.1.1 = shufflevecto…
173 ; SLM-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %bin.rdx.1 = fadd <4 x float…
174 ; SLM-NEXT:  Cost Model: Found an estimated cost of 5 for instruction: %r = extractelement <4 x flo…
175 ; SLM-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %r2 = fadd float %r, %f1
176 ; SLM-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret float %r2
239 ; SLM-LABEL: 'pairwise_hadd_assoc'
240 ; SLM-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %rdx.shuf.0.0 = shufflevecto…
241 ; SLM-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %rdx.shuf.0.1 = shufflevecto…
242 ; SLM-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %bin.rdx.0 = fadd <4 x float…
243 ; SLM-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: %rdx.shuf.1.0 = shufflevecto…
244 ; SLM-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %rdx.shuf.1.1 = shufflevecto…
245 ; SLM-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %bin.rdx.1 = fadd <4 x float…
246 ; SLM-NEXT:  Cost Model: Found an estimated cost of 5 for instruction: %r = extractelement <4 x flo…
247 ; SLM-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %r2 = fadd float %r, %f1
248 ; SLM-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret float %r2
307 ; SLM-LABEL: 'pairwise_hadd_skip_first'
308 ; SLM-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %rdx.shuf.0.0 = shufflevecto…
309 ; SLM-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %rdx.shuf.0.1 = shufflevecto…
310 ; SLM-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %bin.rdx.0 = fadd <4 x float…
311 ; SLM-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %rdx.shuf.1.1 = shufflevecto…
312 ; SLM-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %bin.rdx.1 = fadd <4 x float…
313 ; SLM-NEXT:  Cost Model: Found an estimated cost of 5 for instruction: %r = extractelement <4 x flo…
314 ; SLM-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %r2 = fadd float %r, %f1
315 ; SLM-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret float %r2
356 ; SLM-LABEL: 'no_pairwise_reduction2double'
357 ; SLM-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %rdx.shuf = shufflevector <2…
358 ; SLM-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %bin.rdx = fadd <2 x double>…
359 ; SLM-NEXT:  Cost Model: Found an estimated cost of 3 for instruction: %r = extractelement <2 x dou…
360 ; SLM-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret double %r
402 ; SLM-LABEL: 'no_pairwise_reduction4float'
403 ; SLM-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %rdx.shuf = shufflevector <4…
404 ; SLM-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %bin.rdx = fadd <4 x float> …
405 ; SLM-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %rdx.shuf7 = shufflevector <…
406 ; SLM-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %bin.rdx8 = fadd <4 x float>…
407 ; SLM-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %r = extractelement <4 x flo…
408 ; SLM-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret float %r
460 ; SLM-LABEL: 'no_pairwise_reduction4double'
461 ; SLM-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %rdx.shuf = shufflevector <4…
462 ; SLM-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %bin.rdx = fadd <4 x double>…
463 ; SLM-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %rdx.shuf7 = shufflevector <…
464 ; SLM-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %bin.rdx8 = fadd <4 x double…
465 ; SLM-NEXT:  Cost Model: Found an estimated cost of 5 for instruction: %r = extractelement <4 x dou…
466 ; SLM-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret double %r
528 ; SLM-LABEL: 'no_pairwise_reduction8float'
529 ; SLM-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %rdx.shuf3 = shufflevector <…
530 ; SLM-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %bin.rdx4 = fadd <8 x float>…
531 ; SLM-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %rdx.shuf = shufflevector <8…
532 ; SLM-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %bin.rdx = fadd <8 x float> …
533 ; SLM-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %rdx.shuf7 = shufflevector <…
534 ; SLM-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %bin.rdx8 = fadd <8 x float>…
535 ; SLM-NEXT:  Cost Model: Found an estimated cost of 5 for instruction: %r = extractelement <8 x flo…
536 ; SLM-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret float %r
562 ; SLM-LABEL: 'no_pairwise_reduction2i64'
563 ; SLM-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %rdx.shuf = shufflevector <2…
564 ; SLM-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %bin.rdx = add <2 x i64> %rd…
565 ; SLM-NEXT:  Cost Model: Found an estimated cost of 5 for instruction: %r = extractelement <2 x i64…
566 ; SLM-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret i64 %r
584 ; SLM-LABEL: 'no_pairwise_reduction4i32'
585 ; SLM-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %rdx.shuf = shufflevector <4…
586 ; SLM-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %bin.rdx = add <4 x i32> %rd…
587 ; SLM-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %rdx.shuf7 = shufflevector <…
588 ; SLM-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %bin.rdx8 = add <4 x i32> %b…
589 ; SLM-NEXT:  Cost Model: Found an estimated cost of 3 for instruction: %r = extractelement <4 x i32…
590 ; SLM-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret i32 %r
626 ; SLM-LABEL: 'no_pairwise_reduction4i64'
627 ; SLM-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %rdx.shuf = shufflevector <4…
628 ; SLM-NEXT:  Cost Model: Found an estimated cost of 8 for instruction: %bin.rdx = add <4 x i64> %rd…
629 ; SLM-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %rdx.shuf7 = shufflevector <…
630 ; SLM-NEXT:  Cost Model: Found an estimated cost of 8 for instruction: %bin.rdx8 = add <4 x i64> %b…
631 ; SLM-NEXT:  Cost Model: Found an estimated cost of 9 for instruction: %r = extractelement <4 x i64…
632 ; SLM-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret i64 %r
684 ; SLM-LABEL: 'no_pairwise_reduction8i16'
685 ; SLM-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %rdx.shuf3 = shufflevector <…
686 ; SLM-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %bin.rdx4 = add <8 x i16> %r…
687 ; SLM-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %rdx.shuf = shufflevector <8…
688 ; SLM-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %bin.rdx = add <8 x i16> %bi…
689 ; SLM-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %rdx.shuf7 = shufflevector <…
690 ; SLM-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %bin.rdx8 = add <8 x i16> %b…
691 ; SLM-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %r = extractelement <8 x i16…
692 ; SLM-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret i16 %r
736 ; SLM-LABEL: 'no_pairwise_reduction8i32'
737 ; SLM-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %rdx.shuf3 = shufflevector <…
738 ; SLM-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %bin.rdx4 = add <8 x i32> %r…
739 ; SLM-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %rdx.shuf = shufflevector <8…
740 ; SLM-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %bin.rdx = add <8 x i32> %bi…
741 ; SLM-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %rdx.shuf7 = shufflevector <…
742 ; SLM-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %bin.rdx8 = add <8 x i32> %b…
743 ; SLM-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %r = extractelement <8 x i32…
744 ; SLM-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret i32 %r
786 ; SLM-LABEL: 'pairwise_reduction2double'
787 ; SLM-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: %rdx.shuf.1.0 = shufflevecto…
788 ; SLM-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %rdx.shuf.1.1 = shufflevecto…
789 ; SLM-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %bin.rdx8 = fadd <2 x double…
790 ; SLM-NEXT:  Cost Model: Found an estimated cost of 3 for instruction: %r = extractelement <2 x dou…
791 ; SLM-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret double %r
842 ; SLM-LABEL: 'pairwise_reduction4float'
843 ; SLM-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %rdx.shuf.0.0 = shufflevecto…
844 ; SLM-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %rdx.shuf.0.1 = shufflevecto…
845 ; SLM-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %bin.rdx = fadd <4 x float> …
846 ; SLM-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: %rdx.shuf.1.0 = shufflevecto…
847 ; SLM-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %rdx.shuf.1.1 = shufflevecto…
848 ; SLM-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %bin.rdx8 = fadd <4 x float>…
849 ; SLM-NEXT:  Cost Model: Found an estimated cost of 5 for instruction: %r = extractelement <4 x flo…
850 ; SLM-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret float %r
914 ; SLM-LABEL: 'pairwise_reduction4double'
915 ; SLM-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %rdx.shuf.0.0 = shufflevecto…
916 ; SLM-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %rdx.shuf.0.1 = shufflevecto…
917 ; SLM-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %bin.rdx = fadd <4 x double>…
918 ; SLM-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: %rdx.shuf.1.0 = shufflevecto…
919 ; SLM-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %rdx.shuf.1.1 = shufflevecto…
920 ; SLM-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %bin.rdx8 = fadd <4 x double…
921 ; SLM-NEXT:  Cost Model: Found an estimated cost of 5 for instruction: %r = extractelement <4 x dou…
922 ; SLM-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret double %r
1001 ; SLM-LABEL: 'pairwise_reduction8float'
1002 ; SLM-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %rdx.shuf.0.0 = shufflevecto…
1003 ; SLM-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %rdx.shuf.0.1 = shufflevecto…
1004 ; SLM-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %bin.rdx = fadd <8 x float> …
1005 ; SLM-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %rdx.shuf.1.0 = shufflevecto…
1006 ; SLM-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %rdx.shuf.1.1 = shufflevecto…
1007 ; SLM-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %bin.rdx8 = fadd <8 x float>…
1008 ; SLM-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: %rdx.shuf.2.0 = shufflevecto…
1009 ; SLM-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %rdx.shuf.2.1 = shufflevecto…
1010 ; SLM-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %bin.rdx9 = fadd <8 x float>…
1011 ; SLM-NEXT:  Cost Model: Found an estimated cost of 6 for instruction: %r = extractelement <8 x flo…
1012 ; SLM-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret float %r
1036 ; SLM-LABEL: 'pairwise_reduction2i64'
1037 ; SLM-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: %rdx.shuf.1.0 = shufflevecto…
1038 ; SLM-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %rdx.shuf.1.1 = shufflevecto…
1039 ; SLM-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %bin.rdx8 = add <2 x i64> %r…
1040 ; SLM-NEXT:  Cost Model: Found an estimated cost of 6 for instruction: %r = extractelement <2 x i64…
1041 ; SLM-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret i64 %r
1062 ; SLM-LABEL: 'pairwise_reduction4i32'
1063 ; SLM-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %rdx.shuf.0.0 = shufflevecto…
1064 ; SLM-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %rdx.shuf.0.1 = shufflevecto…
1065 ; SLM-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %bin.rdx = add <4 x i32> %rd…
1066 ; SLM-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: %rdx.shuf.1.0 = shufflevecto…
1067 ; SLM-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %rdx.shuf.1.1 = shufflevecto…
1068 ; SLM-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %bin.rdx8 = add <4 x i32> %r…
1069 ; SLM-NEXT:  Cost Model: Found an estimated cost of 6 for instruction: %r = extractelement <4 x i32…
1070 ; SLM-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret i32 %r
1114 ; SLM-LABEL: 'pairwise_reduction4i64'
1115 ; SLM-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %rdx.shuf.0.0 = shufflevecto…
1116 ; SLM-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %rdx.shuf.0.1 = shufflevecto…
1117 ; SLM-NEXT:  Cost Model: Found an estimated cost of 8 for instruction: %bin.rdx = add <4 x i64> %rd…
1118 ; SLM-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: %rdx.shuf.1.0 = shufflevecto…
1119 ; SLM-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %rdx.shuf.1.1 = shufflevecto…
1120 ; SLM-NEXT:  Cost Model: Found an estimated cost of 8 for instruction: %bin.rdx8 = add <4 x i64> %r…
1121 ; SLM-NEXT:  Cost Model: Found an estimated cost of 10 for instruction: %r = extractelement <4 x i6…
1122 ; SLM-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret i64 %r
1188 ; SLM-LABEL: 'pairwise_reduction8i16'
1189 ; SLM-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %rdx.shuf.0.0 = shufflevecto…
1190 ; SLM-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %rdx.shuf.0.1 = shufflevecto…
1191 ; SLM-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %bin.rdx = add <8 x i16> %rd…
1192 ; SLM-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %rdx.shuf.1.0 = shufflevecto…
1193 ; SLM-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %rdx.shuf.1.1 = shufflevecto…
1194 ; SLM-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %bin.rdx8 = add <8 x i16> %r…
1195 ; SLM-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: %rdx.shuf.2.0 = shufflevecto…
1196 ; SLM-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %rdx.shuf.2.1 = shufflevecto…
1197 ; SLM-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %bin.rdx9 = add <8 x i16> %r…
1198 ; SLM-NEXT:  Cost Model: Found an estimated cost of 9 for instruction: %r = extractelement <8 x i16…
1199 ; SLM-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret i16 %r
1255 ; SLM-LABEL: 'pairwise_reduction8i32'
1256 ; SLM-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %rdx.shuf.0.0 = shufflevecto…
1257 ; SLM-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %rdx.shuf.0.1 = shufflevecto…
1258 ; SLM-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %bin.rdx = add <8 x i32> %rd…
1259 ; SLM-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %rdx.shuf.1.0 = shufflevecto…
1260 ; SLM-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %rdx.shuf.1.1 = shufflevecto…
1261 ; SLM-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %bin.rdx8 = add <8 x i32> %r…
1262 ; SLM-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: %rdx.shuf.2.0 = shufflevecto…
1263 ; SLM-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %rdx.shuf.2.1 = shufflevecto…
1264 ; SLM-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %bin.rdx9 = add <8 x i32> %r…
1265 ; SLM-NEXT:  Cost Model: Found an estimated cost of 7 for instruction: %r = extractelement <8 x i32…
1266 ; SLM-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret i32 %r