1 ; RUN: llc -x86-discriminate-memops < %s | FileCheck %s
3 ; original source, compiled with -O3 -gmlt -fdebug-info-for-profiling:
4 ; int sum(int* arr, int pos1, int pos2) {
5 ; return arr[pos1] + arr[pos2];
9 source_filename = "test.cc"
10 target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
11 target triple = "x86_64-unknown-linux-gnu"
13 ; Function Attrs: norecurse nounwind readonly uwtable
14 define i32 @sum(ptr %arr, i32 %pos1, i32 %pos2) !dbg !7 {
16 %idxprom = sext i32 %pos1 to i64, !dbg !9
17 %arrayidx = getelementptr inbounds i32, ptr %arr, i64 %idxprom, !dbg !9
18 %0 = load i32, ptr %arrayidx, align 4, !dbg !9, !tbaa !10
19 %idxprom1 = sext i32 %pos2 to i64, !dbg !14
20 %arrayidx2 = getelementptr inbounds i32, ptr %arr, i64 %idxprom1, !dbg !14
21 %1 = load i32, ptr %arrayidx2, align 4, !dbg !14, !tbaa !10
22 %add = add nsw i32 %1, %0, !dbg !15
23 ret i32 %add, !dbg !16
26 attributes #0 = { "target-cpu"="x86-64" }
29 !llvm.module.flags = !{!3, !4, !5}
32 !0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !1, isOptimized: true, runtimeVersion: 0, emissionKind: LineTablesOnly, enums: !2, debugInfoForProfiling: true)
33 !1 = !DIFile(filename: "test.cc", directory: "/tmp")
35 !3 = !{i32 2, !"Dwarf Version", i32 4}
36 !4 = !{i32 2, !"Debug Info Version", i32 3}
37 !5 = !{i32 1, !"wchar_size", i32 4}
38 !6 = !{!"clang version 7.0.0 (trunk 322155) (llvm/trunk 322159)"}
39 !7 = distinct !DISubprogram(name: "sum", linkageName: "sum", scope: !1, file: !1, line: 1, type: !8, isLocal: false, isDefinition: true, scopeLine: 1, flags: DIFlagPrototyped, isOptimized: true, unit: !0)
40 !8 = !DISubroutineType(types: !2)
41 !9 = !DILocation(line: 2, column: 10, scope: !7)
42 !10 = !{!11, !11, i64 0}
43 !11 = !{!"int", !12, i64 0}
44 !12 = !{!"omnipotent char", !13, i64 0}
45 !13 = !{!"Simple C++ TBAA"}
46 !14 = !DILocation(line: 2, column: 22, scope: !7)
47 !15 = !DILocation(line: 2, column: 20, scope: !7)
48 !16 = !DILocation(line: 2, column: 3, scope: !7)
52 ;CHECK: movl (%rdi,%rax,4), %eax
53 ;CHECK-NEXT: .loc 1 2 20 discriminator 2 # test.cc:2:20
54 ;CHECK-NEXT: addl (%rdi,%rcx,4), %eax
55 ;CHECK-NEXT: .loc 1 2 3 # test.cc:2:3