1 ; Test that the debug information is propagated correctly to the new instructions
2 ; RUN: opt < %s -passes=indvars -S | FileCheck %s
4 ; Function Attrs: nocallback nofree nosync nounwind speculatable willreturn memory(none)
5 declare i32 @llvm.uadd.sat.i32(i32, i32) #0
7 ; Function Attrs: nocallback nofree nosync nounwind speculatable willreturn memory(none)
8 declare { i32, i1 } @llvm.uadd.with.overflow.i32(i32, i32) #0
10 define void @f_uadd(ptr %a) !dbg !5 {
11 ; CHECK-LABEL: define void @f_uadd(
12 ; CHECK: [[TMP0:%.*]] = add nuw nsw i32 [[I_04:%.*]], 1, !dbg [[DBG14:![0-9]+]]
15 br label %for.body, !dbg !8
17 for.cond.cleanup: ; preds = %cont
20 for.body: ; preds = %cont, %entry
21 %i.04 = phi i32 [ 0, %entry ], [ %2, %cont ], !dbg !10
22 %idxprom = sext i32 %i.04 to i64, !dbg !11
23 %arrayidx = getelementptr inbounds i8, ptr %a, i64 %idxprom, !dbg !12
24 store i8 0, ptr %arrayidx, align 1, !dbg !13
25 %0 = tail call { i32, i1 } @llvm.uadd.with.overflow.i32(i32 %i.04, i32 1), !dbg !14
26 %1 = extractvalue { i32, i1 } %0, 1, !dbg !15
27 br i1 %1, label %trap, label %cont, !dbg !16, !nosanitize !7
29 trap: ; preds = %for.body
30 tail call void @llvm.trap(), !dbg !17, !nosanitize !7
31 unreachable, !dbg !18, !nosanitize !7
33 cont: ; preds = %for.body
34 %2 = extractvalue { i32, i1 } %0, 0, !dbg !19
35 %cmp = icmp slt i32 %2, 16, !dbg !20
36 br i1 %cmp, label %for.body, label %for.cond.cleanup, !dbg !21
39 define void @uadd_sat(ptr %p) !dbg !22 {
40 ; CHECK-LABEL: define void @uadd_sat(
41 ; CHECK: [[SAT1:%.*]] = add nuw nsw i32 [[I:%.*]], 1, !dbg [[DBG23:![0-9]+]]
44 br label %loop, !dbg !23
46 loop: ; preds = %loop, %entry
47 %i = phi i32 [ 0, %entry ], [ %i.inc, %loop ], !dbg !24
48 %sat = call i32 @llvm.uadd.sat.i32(i32 %i, i32 1), !dbg !25
49 store volatile i32 %sat, ptr %p, align 4, !dbg !26
50 %i.inc = add nuw nsw i32 %i, 1, !dbg !27
51 %cmp = icmp ne i32 %i.inc, 100, !dbg !28
52 br i1 %cmp, label %loop, label %end, !dbg !29
58 ; Function Attrs: cold noreturn nounwind memory(inaccessiblemem: write)
59 declare void @llvm.trap() #1
61 attributes #0 = { nocallback nofree nosync nounwind speculatable willreturn memory(none) }
62 attributes #1 = { cold noreturn nounwind memory(inaccessiblemem: write) }
65 !llvm.debugify = !{!2, !3}
66 !llvm.module.flags = !{!4}
69 ; CHECK: [[DBG14]] = !DILocation(line: 12,
70 ; CHECK: [[DBG23]] = !DILocation(line: 17,
73 !0 = distinct !DICompileUnit(language: DW_LANG_C, file: !1, producer: "debugify", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug)
74 !1 = !DIFile(filename: "eliminatesat.ll", directory: "/")
77 !4 = !{i32 2, !"Debug Info Version", i32 3}
78 !5 = distinct !DISubprogram(name: "f_uadd", linkageName: "f_uadd", scope: null, file: !1, line: 1, type: !6, scopeLine: 1, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0)
79 !6 = !DISubroutineType(types: !7)
81 !8 = !DILocation(line: 1, column: 1, scope: !5)
82 !9 = !DILocation(line: 2, column: 1, scope: !5)
83 !10 = !DILocation(line: 3, column: 1, scope: !5)
84 !11 = !DILocation(line: 4, column: 1, scope: !5)
85 !12 = !DILocation(line: 5, column: 1, scope: !5)
86 !13 = !DILocation(line: 6, column: 1, scope: !5)
87 !14 = !DILocation(line: 7, column: 1, scope: !5)
88 !15 = !DILocation(line: 8, column: 1, scope: !5)
89 !16 = !DILocation(line: 9, column: 1, scope: !5)
90 !17 = !DILocation(line: 10, column: 1, scope: !5)
91 !18 = !DILocation(line: 11, column: 1, scope: !5)
92 !19 = !DILocation(line: 12, column: 1, scope: !5)
93 !20 = !DILocation(line: 13, column: 1, scope: !5)
94 !21 = !DILocation(line: 14, column: 1, scope: !5)
95 !22 = distinct !DISubprogram(name: "uadd_sat", linkageName: "uadd_sat", scope: null, file: !1, line: 15, type: !6, scopeLine: 15, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0)
96 !23 = !DILocation(line: 15, column: 1, scope: !22)
97 !24 = !DILocation(line: 16, column: 1, scope: !22)
98 !25 = !DILocation(line: 17, column: 1, scope: !22)
99 !26 = !DILocation(line: 18, column: 1, scope: !22)
100 !27 = !DILocation(line: 19, column: 1, scope: !22)
101 !28 = !DILocation(line: 20, column: 1, scope: !22)
102 !29 = !DILocation(line: 21, column: 1, scope: !22)
103 !30 = !DILocation(line: 22, column: 1, scope: !22)