1; RUN: llc < %s -mtriple=x86_64-- | grep movslq | count 1 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 global %struct.S1 9 10declare void @func_28(i64, i64) 11 12define void @int322(i32 %foo) !dbg !5 { 13entry: 14 %val = load i64, i64* getelementptr (%0, %0* bitcast (%struct.S1* @g_10 to %0*), i32 0, i32 0), !dbg !16 15 %0 = load i32, i32* getelementptr inbounds (%struct.S1, %struct.S1* @g_10, i32 0, i32 1), align 4, !dbg !17 16; MIR: renamable $rax = 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) 17 %1 = sext i32 %0 to i64, !dbg !18 18 %tmp4.i = lshr i64 %val, 32, !dbg !19 19 %tmp5.i = trunc i64 %tmp4.i to i32, !dbg !20 20 %2 = sext i32 %tmp5.i to i64, !dbg !21 21 tail call void @func_28(i64 %2, i64 %1) #0, !dbg !22 22 call void @llvm.dbg.value(metadata i64 %val, metadata !8, metadata !DIExpression()), !dbg !16 23 call void @llvm.dbg.value(metadata i32 %0, metadata !10, metadata !DIExpression()), !dbg !17 24 call void @llvm.dbg.value(metadata i64 %1, metadata !12, metadata !DIExpression()), !dbg !18 25 call void @llvm.dbg.value(metadata i64 %tmp4.i, metadata !13, metadata !DIExpression()), !dbg !19 26 call void @llvm.dbg.value(metadata i32 %tmp5.i, metadata !14, metadata !DIExpression()), !dbg !20 27 call void @llvm.dbg.value(metadata i64 %2, metadata !15, metadata !DIExpression()), !dbg !21 28 ret void, !dbg !23 29} 30 31declare void @llvm.dbg.value(metadata, metadata, metadata) 32 33!llvm.dbg.cu = !{!0} 34!llvm.debugify = !{!3, !4} 35 36!0 = distinct !DICompileUnit(language: DW_LANG_C, file: !1, producer: "debugify", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !2) 37!1 = !DIFile(filename: "/Users/vsk/src/llvm.org-master/llvm/test/CodeGen/X86/fold-sext-trunc.ll", directory: "/") 38!2 = !{} 39!3 = !{i32 8} 40!4 = !{i32 6} 41!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) 42!6 = !DISubroutineType(types: !2) 43!7 = !{!8, !10, !12, !13, !14, !15} 44!8 = !DILocalVariable(name: "1", scope: !5, file: !1, line: 1, type: !9) 45!9 = !DIBasicType(name: "ty64", size: 64, encoding: DW_ATE_unsigned) 46!10 = !DILocalVariable(name: "2", scope: !5, file: !1, line: 2, type: !11) 47!11 = !DIBasicType(name: "ty32", size: 32, encoding: DW_ATE_unsigned) 48!12 = !DILocalVariable(name: "3", scope: !5, file: !1, line: 3, type: !9) 49!13 = !DILocalVariable(name: "4", scope: !5, file: !1, line: 4, type: !9) 50!14 = !DILocalVariable(name: "5", scope: !5, file: !1, line: 5, type: !11) 51!15 = !DILocalVariable(name: "6", scope: !5, file: !1, line: 6, type: !9) 52!16 = !DILocation(line: 1, column: 1, scope: !5) 53!17 = !DILocation(line: 2, column: 1, scope: !5) 54!18 = !DILocation(line: 3, column: 1, scope: !5) 55!19 = !DILocation(line: 4, column: 1, scope: !5) 56!20 = !DILocation(line: 5, column: 1, scope: !5) 57!21 = !DILocation(line: 6, column: 1, scope: !5) 58!22 = !DILocation(line: 7, column: 1, scope: !5) 59!23 = !DILocation(line: 8, column: 1, scope: !5) 60!24 = !{i32 2, !"Debug Info Version", i32 3} 61!llvm.module.flags = !{!24} 62