forked from OSchip/llvm-project
56 lines
2.2 KiB
LLVM
56 lines
2.2 KiB
LLVM
; RUN: llc < %s | FileCheck %s
|
|
;
|
|
; original source, compiled with -O3 -gmlt -fdebug-info-for-profiling:
|
|
; int sum(int* arr, int pos1, int pos2) {
|
|
; return arr[pos1] + arr[pos2];
|
|
; }
|
|
;
|
|
; ModuleID = 'test.cc'
|
|
source_filename = "test.cc"
|
|
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
|
|
target triple = "x86_64-unknown-linux-gnu"
|
|
|
|
; Function Attrs: norecurse nounwind readonly uwtable
|
|
define i32 @sum(i32* %arr, i32 %pos1, i32 %pos2) !dbg !7 {
|
|
entry:
|
|
%idxprom = sext i32 %pos1 to i64, !dbg !9
|
|
%arrayidx = getelementptr inbounds i32, i32* %arr, i64 %idxprom, !dbg !9
|
|
%0 = load i32, i32* %arrayidx, align 4, !dbg !9, !tbaa !10
|
|
%idxprom1 = sext i32 %pos2 to i64, !dbg !14
|
|
%arrayidx2 = getelementptr inbounds i32, i32* %arr, i64 %idxprom1, !dbg !14
|
|
%1 = load i32, i32* %arrayidx2, align 4, !dbg !14, !tbaa !10
|
|
%add = add nsw i32 %1, %0, !dbg !15
|
|
ret i32 %add, !dbg !16
|
|
}
|
|
|
|
attributes #0 = { "target-cpu"="x86-64" }
|
|
|
|
!llvm.dbg.cu = !{!0}
|
|
!llvm.module.flags = !{!3, !4, !5}
|
|
!llvm.ident = !{!6}
|
|
|
|
!0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !1, isOptimized: true, runtimeVersion: 0, emissionKind: LineTablesOnly, enums: !2, debugInfoForProfiling: true)
|
|
!1 = !DIFile(filename: "test.cc", directory: "/tmp")
|
|
!2 = !{}
|
|
!3 = !{i32 2, !"Dwarf Version", i32 4}
|
|
!4 = !{i32 2, !"Debug Info Version", i32 3}
|
|
!5 = !{i32 1, !"wchar_size", i32 4}
|
|
!6 = !{!"clang version 7.0.0 (trunk 322155) (llvm/trunk 322159)"}
|
|
!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)
|
|
!8 = !DISubroutineType(types: !2)
|
|
!9 = !DILocation(line: 2, column: 10, scope: !7)
|
|
!10 = !{!11, !11, i64 0}
|
|
!11 = !{!"int", !12, i64 0}
|
|
!12 = !{!"omnipotent char", !13, i64 0}
|
|
!13 = !{!"Simple C++ TBAA"}
|
|
!14 = !DILocation(line: 2, column: 22, scope: !7)
|
|
!15 = !DILocation(line: 2, column: 20, scope: !7)
|
|
!16 = !DILocation(line: 2, column: 3, scope: !7)
|
|
|
|
;CHECK-LABEL: sum:
|
|
;CHECK: # %bb.0:
|
|
;CHECK: movl (%rdi,%rax,4), %eax
|
|
;CHECK-NEXT: .loc 1 2 20 discriminator 2 # test.cc:2:20
|
|
;CHECK-NEXT: addl (%rdi,%rcx,4), %eax
|
|
;CHECK-NEXT: .loc 1 2 3 # test.cc:2:3
|