forked from OSchip/llvm-project
59 lines
2.9 KiB
LLVM
59 lines
2.9 KiB
LLVM
; RUN: llc < %s | FileCheck %s -check-prefix=ASM
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; RUN: llc < %s -O0 -mtriple=x86_64-unknown-unknown -mcpu=x86-64 -stop-after livedebugvalues -o - | FileCheck %s -check-prefix=MIR
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; PR9055
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target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:32:32-n8:16:32"
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target triple = "i686-pc-linux-gnu"
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%struct.S0 = type { i32, [2 x i8], [2 x i8], [4 x i8] }
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@g_98 = common global %struct.S0 zeroinitializer, align 4
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define void @foo() nounwind !dbg !5 {
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; ASM: movzbl
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; ASM-NOT: movzbl
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; ASM: calll
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entry:
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%tmp17 = load i8, i8* getelementptr inbounds (%struct.S0, %struct.S0* @g_98, i32 0, i32 1, i32 0), align 4, !dbg !14
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%tmp54 = zext i8 %tmp17 to i32, !dbg !15
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%foo = load i32, i32* bitcast (i8* getelementptr inbounds (%struct.S0, %struct.S0* @g_98, i32 0, i32 1, i32 0) to i32*), align 4, !dbg !16
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; MIR: renamable $edi = MOVZX32rr8 renamable $al, debug-location !16
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%conv.i = trunc i32 %foo to i8, !dbg !17
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tail call void @func_12(i32 %tmp54, i8 zeroext %conv.i) #0, !dbg !18
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call void @llvm.dbg.value(metadata i8 %tmp17, metadata !8, metadata !DIExpression()), !dbg !14
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call void @llvm.dbg.value(metadata i32 %tmp54, metadata !10, metadata !DIExpression()), !dbg !15
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call void @llvm.dbg.value(metadata i32 %foo, metadata !12, metadata !DIExpression()), !dbg !16
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call void @llvm.dbg.value(metadata i8 %conv.i, metadata !13, metadata !DIExpression()), !dbg !17
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ret void, !dbg !19
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}
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declare void @func_12(i32, i8 zeroext)
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declare void @llvm.dbg.value(metadata, metadata, metadata)
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!llvm.dbg.cu = !{!0}
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!llvm.debugify = !{!3, !4}
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!0 = distinct !DICompileUnit(language: DW_LANG_C, file: !1, producer: "debugify", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !2)
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!1 = !DIFile(filename: "/Users/vsk/src/llvm.org-master/llvm/test/CodeGen/X86/fold-zext-trunc.ll", directory: "/")
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!2 = !{}
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!3 = !{i32 6}
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!4 = !{i32 4}
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!5 = distinct !DISubprogram(name: "foo", linkageName: "foo", scope: null, file: !1, line: 1, type: !6, isLocal: false, isDefinition: true, scopeLine: 1, isOptimized: true, unit: !0, retainedNodes: !7)
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!6 = !DISubroutineType(types: !2)
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!7 = !{!8, !10, !12, !13}
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!8 = !DILocalVariable(name: "1", scope: !5, file: !1, line: 1, type: !9)
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!9 = !DIBasicType(name: "ty8", size: 8, encoding: DW_ATE_unsigned)
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!10 = !DILocalVariable(name: "2", scope: !5, file: !1, line: 2, type: !11)
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!11 = !DIBasicType(name: "ty32", size: 32, encoding: DW_ATE_unsigned)
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!12 = !DILocalVariable(name: "3", scope: !5, file: !1, line: 3, type: !11)
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!13 = !DILocalVariable(name: "4", scope: !5, file: !1, line: 4, type: !9)
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!14 = !DILocation(line: 1, column: 1, scope: !5)
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!15 = !DILocation(line: 2, column: 1, scope: !5)
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!16 = !DILocation(line: 3, column: 1, scope: !5)
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!17 = !DILocation(line: 4, column: 1, scope: !5)
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!18 = !DILocation(line: 5, column: 1, scope: !5)
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!19 = !DILocation(line: 6, column: 1, scope: !5)
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!20 = !{i32 2, !"Debug Info Version", i32 3}
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!llvm.module.flags = !{!20}
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