| ; RUN: opt -basicaa -gvn -S < %s | FileCheck %s |
| |
| target datalayout = "e-p:64:64:64" |
| |
| ; CHECK-LABEL: @foo( |
| ; CHECK: entry.end_crit_edge: |
| ; CHECK: %[[INDEX:[a-z0-9.]+]] = sext i32 %x to i64{{$}} |
| ; CHECK: %[[ADDRESS:[a-z0-9.]+]] = getelementptr [100 x i32], [100 x i32]* @G, i64 0, i64 %[[INDEX]]{{$}} |
| ; CHECK: %n.pre = load i32, i32* %[[ADDRESS]], !dbg [[N_LOC:![0-9]+]] |
| ; CHECK: br label %end |
| ; CHECK: then: |
| ; CHECK: store i32 %z |
| ; CHECK: end: |
| ; CHECK: %n = phi i32 [ %n.pre, %entry.end_crit_edge ], [ %z, %then ], !dbg [[N_LOC]] |
| ; CHECK: ret i32 %n |
| |
| ; CHECK: [[N_LOC]] = !DILocation(line: 47, column: 1, scope: !{{.*}}) |
| |
| @G = external global [100 x i32] |
| define i32 @foo(i32 %x, i32 %z) !dbg !6 { |
| entry: |
| %tobool = icmp eq i32 %z, 0, !dbg !7 |
| br i1 %tobool, label %end, label %then, !dbg !7 |
| |
| then: |
| %i = sext i32 %x to i64, !dbg !8 |
| %p = getelementptr [100 x i32], [100 x i32]* @G, i64 0, i64 %i, !dbg !8 |
| store i32 %z, i32* %p, !dbg !8 |
| br label %end, !dbg !8 |
| |
| end: |
| %j = sext i32 %x to i64, !dbg !9 |
| %q = getelementptr [100 x i32], [100 x i32]* @G, i64 0, i64 %j, !dbg !10 |
| %n = load i32, i32* %q, !dbg !11 |
| ret i32 %n, !dbg !11 |
| } |
| |
| !llvm.module.flags = !{!0, !1, !2} |
| !llvm.dbg.cu = !{!12} |
| !0 = !{i32 2, !"Dwarf Version", i32 4} |
| !1 = !{i32 2, !"Debug Info Version", i32 3} |
| !2 = !{i32 1, !"PIC Level", i32 2} |
| |
| !3 = !{} |
| !4 = !DISubroutineType(types: !3) |
| !5 = !DIFile(filename: "a.cc", directory: "/tmp") |
| !6 = distinct !DISubprogram(name: "foo", scope: !5, file: !5, line: 42, type: !4, isLocal: false, isDefinition: true, scopeLine: 43, flags: DIFlagPrototyped, isOptimized: false, unit: !12, retainedNodes: !3) |
| !7 = !DILocation(line: 43, column: 1, scope: !6) |
| !8 = !DILocation(line: 44, column: 1, scope: !6) |
| !9 = !DILocation(line: 45, column: 1, scope: !6) |
| !10 = !DILocation(line: 46, column: 1, scope: !6) |
| !11 = !DILocation(line: 47, column: 1, scope: !6) |
| !12 = distinct !DICompileUnit(language: DW_LANG_C99, producer: "clang", |
| file: !5, |
| isOptimized: true, flags: "-O2", |
| splitDebugFilename: "abc.debug", emissionKind: 2) |