45 lines · plain
1; RUN: llc -mtriple=bpfel -mcpu=v4 -verify-machineinstrs -show-mc-encoding < %s | FileCheck %s2; Source:3; int foo(int a, int b, int c) {4; return a/b + a%c;5; }6; long bar(long a, long b, long c) {7; return a/b + a%c;8; }9; Compilation flags:10; clang -target bpf -O2 -S -emit-llvm t.c11 12; Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(none)13define dso_local i32 @foo(i32 noundef %a, i32 noundef %b, i32 noundef %c) local_unnamed_addr #0 {14entry:15 %div = sdiv i32 %a, %b16 %rem = srem i32 %a, %c17 %add = add nsw i32 %rem, %div18 ret i32 %add19}20 21; CHECK: w0 = w122; CHECK-NEXT: w1 s/= w2 # encoding: [0x3c,0x21,0x01,0x00,0x00,0x00,0x00,0x00]23; CHECK-NEXT: w0 s%= w3 # encoding: [0x9c,0x30,0x01,0x00,0x00,0x00,0x00,0x00]24 25; Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(none)26define dso_local i64 @bar(i64 noundef %a, i64 noundef %b, i64 noundef %c) local_unnamed_addr #0 {27entry:28 %div = sdiv i64 %a, %b29 %rem = srem i64 %a, %c30 %add = add nsw i64 %rem, %div31 ret i64 %add32}33; CHECK: r0 = r134; CHECK-NEXT: r1 s/= r2 # encoding: [0x3f,0x21,0x01,0x00,0x00,0x00,0x00,0x00]35; CHECK-NEXT: r0 s%= r3 # encoding: [0x9f,0x30,0x01,0x00,0x00,0x00,0x00,0x00]36 37attributes #0 = { mustprogress nofree norecurse nosync nounwind willreturn memory(none) "frame-pointer"="all" "no-trapping-math"="true" "stack-protector-buffer-size"="8" }38 39!llvm.module.flags = !{!0, !1}40!llvm.ident = !{!2}41 42!0 = !{i32 1, !"wchar_size", i32 4}43!1 = !{i32 7, !"frame-pointer", i32 2}44!2 = !{!"clang version 17.0.0 (https://github.com/llvm/llvm-project.git c102025a4299e74767cdb4dfba8abbf6cbad820b)"}45