; RUN: llc < %s -march=bpfel | FileCheck %s ; Source: ; struct t1 { ; long a; ; }; ; struct t2 { ; long a; ; long b; ; }; ; long foo2(struct t1 a1, struct t1 a2, struct t1 a3, struct t1 a4, struct t1 a5) { ; return a1.a + a2.a + a3.a + a4.a + a5.a; ; } ; long foo3(struct t2 a1, struct t2 a2, struct t1 a3) { ; return a1.a + a2.a + a3.a; ; } ; Compilation flags: ; clang -target bpf -S -emit-llvm -O2 t.c ; Function Attrs: mustprogress nofree norecurse nosync nounwind readnone willreturn define dso_local i64 @foo2(i64 %a1.coerce, i64 %a2.coerce, i64 %a3.coerce, i64 %a4.coerce, i64 %a5.coerce) local_unnamed_addr #0 { entry: %add = add nsw i64 %a2.coerce, %a1.coerce %add8 = add nsw i64 %add, %a3.coerce %add10 = add nsw i64 %add8, %a4.coerce %add12 = add nsw i64 %add10, %a5.coerce ret i64 %add12 ; CHECK: r0 = r2 ; CHECK: r0 += r1 ; CHECK: r0 += r3 ; CHECK: r0 += r4 ; CHECK: r0 += r5 ; CHECK-NEXT: exit } ; Function Attrs: mustprogress nofree norecurse nosync nounwind readnone willreturn define dso_local i64 @foo3([2 x i64] %a1.coerce, [2 x i64] %a2.coerce, i64 %a3.coerce) local_unnamed_addr #0 { entry: %a1.coerce.fca.0.extract = extractvalue [2 x i64] %a1.coerce, 0 %a2.coerce.fca.0.extract = extractvalue [2 x i64] %a2.coerce, 0 %add = add nsw i64 %a2.coerce.fca.0.extract, %a1.coerce.fca.0.extract %add6 = add nsw i64 %add, %a3.coerce ret i64 %add6 ; CHECK: r0 = r3 ; CHECK-NEXT: r0 += r1 ; CHECK-NEXT: r0 += r5 ; CHECK-NEXT: exit } attributes #0 = { mustprogress nofree norecurse nosync nounwind readnone willreturn "frame-pointer"="all" "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" } !llvm.module.flags = !{!0, !1} !llvm.ident = !{!2} !0 = !{i32 1, !"wchar_size", i32 4} !1 = !{i32 7, !"frame-pointer", i32 2} !2 = !{!"clang version 16.0.0 (https://github.com/llvm/llvm-project.git 9385660f4ca87d074410a84df89faca313afcb5a)"}