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1; RUN: llc < %s -mtriple=x86_64-- | FileCheck %s
2; RUN: llc < %s -O0 -mtriple=x86_64-unknown-unknown -mcpu=x86-64 -stop-after livedebugvalues -o - | FileCheck %s -check-prefix=MIR
3; PR4050
4
5%0 = type { i64 }
6%struct.S1 = type { i16, i32 }
7
8@g_10 = external dso_local global %struct.S1
9
10declare void @func_28(i64, i64)
11
12; CHECK: movslq  g_10+4(%rip), %rdi
13define void @int322(i32 %foo) !dbg !5 {
14entry:
15  %val = load i64, i64* getelementptr (%0, %0* bitcast (%struct.S1* @g_10 to %0*), i32 0, i32 0), !dbg !16
16  %0 = load i32, i32* getelementptr inbounds (%struct.S1, %struct.S1* @g_10, i32 0, i32 1), align 4, !dbg !17
17; MIR: renamable {{\$r[a-z]+}} = MOVSX64rm32 {{.*}}, @g_10 + 4,{{.*}} debug-location !17 :: (dereferenceable load 4 from `i64* getelementptr (%0, %0* bitcast (%struct.S1* @g_10 to %0*), i32 0, i32 0)` + 4)
18  %1 = sext i32 %0 to i64, !dbg !18
19  %tmp4.i = lshr i64 %val, 32, !dbg !19
20  %tmp5.i = trunc i64 %tmp4.i to i32, !dbg !20
21  %2 = sext i32 %tmp5.i to i64, !dbg !21
22  tail call void @func_28(i64 %2, i64 %1) #0, !dbg !22
23  call void @llvm.dbg.value(metadata i64 %val, metadata !8, metadata !DIExpression()), !dbg !16
24  call void @llvm.dbg.value(metadata i32 %0, metadata !10, metadata !DIExpression()), !dbg !17
25  call void @llvm.dbg.value(metadata i64 %1, metadata !12, metadata !DIExpression()), !dbg !18
26  call void @llvm.dbg.value(metadata i64 %tmp4.i, metadata !13, metadata !DIExpression()), !dbg !19
27  call void @llvm.dbg.value(metadata i32 %tmp5.i, metadata !14, metadata !DIExpression()), !dbg !20
28  call void @llvm.dbg.value(metadata i64 %2, metadata !15, metadata !DIExpression()), !dbg !21
29  ret void, !dbg !23
30}
31
32declare void @llvm.dbg.value(metadata, metadata, metadata)
33
34!llvm.dbg.cu = !{!0}
35!llvm.debugify = !{!3, !4}
36
37!0 = distinct !DICompileUnit(language: DW_LANG_C, file: !1, producer: "debugify", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !2)
38!1 = !DIFile(filename: "/Users/vsk/src/llvm.org-master/llvm/test/CodeGen/X86/fold-sext-trunc.ll", directory: "/")
39!2 = !{}
40!3 = !{i32 8}
41!4 = !{i32 6}
42!5 = distinct !DISubprogram(name: "int322", linkageName: "int322", scope: null, file: !1, line: 1, type: !6, isLocal: false, isDefinition: true, scopeLine: 1, isOptimized: true, unit: !0, retainedNodes: !7)
43!6 = !DISubroutineType(types: !2)
44!7 = !{!8, !10, !12, !13, !14, !15}
45!8 = !DILocalVariable(name: "1", scope: !5, file: !1, line: 1, type: !9)
46!9 = !DIBasicType(name: "ty64", size: 64, encoding: DW_ATE_unsigned)
47!10 = !DILocalVariable(name: "2", scope: !5, file: !1, line: 2, type: !11)
48!11 = !DIBasicType(name: "ty32", size: 32, encoding: DW_ATE_unsigned)
49!12 = !DILocalVariable(name: "3", scope: !5, file: !1, line: 3, type: !9)
50!13 = !DILocalVariable(name: "4", scope: !5, file: !1, line: 4, type: !9)
51!14 = !DILocalVariable(name: "5", scope: !5, file: !1, line: 5, type: !11)
52!15 = !DILocalVariable(name: "6", scope: !5, file: !1, line: 6, type: !9)
53!16 = !DILocation(line: 1, column: 1, scope: !5)
54!17 = !DILocation(line: 2, column: 1, scope: !5)
55!18 = !DILocation(line: 3, column: 1, scope: !5)
56!19 = !DILocation(line: 4, column: 1, scope: !5)
57!20 = !DILocation(line: 5, column: 1, scope: !5)
58!21 = !DILocation(line: 6, column: 1, scope: !5)
59!22 = !DILocation(line: 7, column: 1, scope: !5)
60!23 = !DILocation(line: 8, column: 1, scope: !5)
61!24 = !{i32 2, !"Debug Info Version", i32 3}
62!llvm.module.flags = !{!24}
63