| ; REQUIRES: asserts | |
| ; RUN: opt -passes='print<access-info>' -debug-only=loop-accesses \ | |
| ; RUN: -disable-output -S %s 2>&1 | FileCheck %s | |
| define void @negative_step(ptr nocapture %A) { | |
| ; CHECK-LABEL: LAA: Checking a loop in 'negative_step' from negative_step.c:5:2 | |
| entry: | |
| %A.plus.1 = getelementptr i32, ptr %A, i64 1 | |
| br label %loop | |
| loop: | |
| %iv = phi i64 [ 1022, %entry ], [ %iv.next, %loop ] | |
| %gep.A = getelementptr inbounds i32, ptr %A, i64 %iv | |
| %l = load i32, ptr %gep.A, align 4 | |
| %add = add nsw i32 %l, 1 | |
| %gep.A.plus.1 = getelementptr i32, ptr %A.plus.1, i64 %iv | |
| store i32 %add, ptr %gep.A.plus.1, align 4 | |
| %iv.next = add nsw i64 %iv, -1 | |
| %cmp.not = icmp eq i64 %iv, 0 | |
| br i1 %cmp.not, label %exit, label %loop, !dbg !2 | |
| exit: | |
| ret void | |
| } | |
| !llvm.module.flags = !{!5, !6, !7} | |
| !0 = !DIFile(filename: "negative_step.c", directory: "/") | |
| !1 = distinct !DISubprogram(name: "negative_step", scope: !0, file: !0, type: !8, unit: !4) | |
| !2 = !DILocation(line: 5, column: 2, scope: !1) | |
| !4 = distinct !DICompileUnit(language: DW_LANG_C99, file: !0, producer: "clang") | |
| !5 = !{i32 1, !"Debug Info Version", i32 3} | |
| !6 = !{i32 2, !"Dwarf Version", i32 2} | |
| !7 = !{i32 1, !"PIC Level", i32 2} | |
| !8 = !DISubroutineType(types: !9) | |
| !9 = !{null} |