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1; RUN: llc < %s -mtriple=i386-apple-darwin92; RUN: llc < %s -mtriple=x86_64-apple-darwin9 -stack-symbol-ordering=0 -verify-machineinstrs | FileCheck %s3; PR35384target 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-f80:128:128"5define signext i8 @foo(ptr %s1) nounwind ssp {6 7; Make sure we generate:8; movq -40(%rbp), %rsp9; Instead of:10; movq -40(%rbp), %rax11; movq %rax, %rsp12 13; CHECK-LABEL: @foo14; CHECK: movq -{{[0-9]+}}(%rbp), %rsp15 16entry:17 %s1_addr = alloca ptr ; <ptr> [#uses=2]18 %retval = alloca i32 ; <ptr> [#uses=2]19 %saved_stack.1 = alloca ptr ; <ptr> [#uses=2]20 %0 = alloca i32 ; <ptr> [#uses=2]21 %str.0 = alloca ptr ; <ptr> [#uses=3]22 %1 = alloca i64 ; <ptr> [#uses=2]23 %2 = alloca i64 ; <ptr> [#uses=1]24 %3 = alloca i64 ; <ptr> [#uses=6]25 %"alloca point" = bitcast i32 0 to i32 ; <i32> [#uses=0]26 call void @llvm.dbg.declare(metadata ptr %s1_addr, metadata !0, metadata !DIExpression()), !dbg !727 store ptr %s1, ptr %s1_addr28 call void @llvm.dbg.declare(metadata ptr %str.0, metadata !8, metadata !DIExpression()), !dbg !729 %4 = call ptr @llvm.stacksave(), !dbg !7 ; <ptr> [#uses=1]30 store ptr %4, ptr %saved_stack.1, align 8, !dbg !731 %5 = load ptr, ptr %s1_addr, align 8, !dbg !13 ; <ptr> [#uses=1]32 %6 = call i64 @strlen(ptr %5) nounwind readonly, !dbg !13 ; <i64> [#uses=1]33 %7 = add i64 %6, 1, !dbg !13 ; <i64> [#uses=1]34 store i64 %7, ptr %3, align 8, !dbg !1335 %8 = load i64, ptr %3, align 8, !dbg !13 ; <i64> [#uses=1]36 %9 = sub nsw i64 %8, 1, !dbg !13 ; <i64> [#uses=0]37 %10 = load i64, ptr %3, align 8, !dbg !13 ; <i64> [#uses=1]38 %11 = mul i64 %10, 8, !dbg !13 ; <i64> [#uses=0]39 %12 = load i64, ptr %3, align 8, !dbg !13 ; <i64> [#uses=1]40 store i64 %12, ptr %2, align 8, !dbg !1341 %13 = load i64, ptr %3, align 8, !dbg !13 ; <i64> [#uses=1]42 %14 = mul i64 %13, 8, !dbg !13 ; <i64> [#uses=0]43 %15 = load i64, ptr %3, align 8, !dbg !13 ; <i64> [#uses=1]44 store i64 %15, ptr %1, align 8, !dbg !1345 %16 = load i64, ptr %1, align 8, !dbg !13 ; <i64> [#uses=1]46 %17 = trunc i64 %16 to i32, !dbg !13 ; <i32> [#uses=1]47 %18 = alloca i8, i32 %17, !dbg !13 ; <ptr> [#uses=1]48 store ptr %18, ptr %str.0, align 8, !dbg !1349 %19 = load ptr, ptr %str.0, align 8, !dbg !15 ; <ptr> [#uses=1]50 store i8 0, ptr %19, align 1, !dbg !1551 %20 = load ptr, ptr %str.0, align 8, !dbg !16 ; <ptr> [#uses=1]52 %21 = load i8, ptr %20, align 1, !dbg !16 ; <i8> [#uses=1]53 %22 = sext i8 %21 to i32, !dbg !16 ; <i32> [#uses=1]54 store i32 %22, ptr %0, align 4, !dbg !1655 %23 = load ptr, ptr %saved_stack.1, align 8, !dbg !16 ; <ptr> [#uses=1]56 call void @llvm.stackrestore(ptr %23), !dbg !1657 %24 = load i32, ptr %0, align 4, !dbg !16 ; <i32> [#uses=1]58 store i32 %24, ptr %retval, align 4, !dbg !1659 br label %return, !dbg !1660 61return: ; preds = %entry62 %retval1 = load i32, ptr %retval, !dbg !16 ; <i32> [#uses=1]63 %retval12 = trunc i32 %retval1 to i8, !dbg !16 ; <i8> [#uses=1]64 ret i8 %retval12, !dbg !1665}66 67declare void @llvm.dbg.declare(metadata, metadata, metadata) nounwind readnone68 69declare ptr @llvm.stacksave() nounwind70 71declare i64 @strlen(ptr) nounwind readonly72 73declare void @llvm.stackrestore(ptr) nounwind74 75!llvm.dbg.cu = !{!2}76!0 = !DILocalVariable(name: "s1", line: 2, arg: 1, scope: !1, file: !2, type: !6)77!1 = distinct !DISubprogram(name: "foo", linkageName: "foo", line: 2, isLocal: false, isDefinition: true, virtualIndex: 6, isOptimized: false, unit: !2, scope: !2, type: !3)78!2 = distinct !DICompileUnit(language: DW_LANG_C89, producer: "4.2.1 (Based on Apple Inc. build 5658) (LLVM build)", isOptimized: true, emissionKind: FullDebug, file: !17, enums: !18, retainedTypes: !18)79!3 = !DISubroutineType(types: !4)80!4 = !{!5, !6}81!5 = !DIBasicType(tag: DW_TAG_base_type, name: "char", size: 8, align: 8, encoding: DW_ATE_signed_char)82!6 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, scope: !2, baseType: !5)83!7 = !DILocation(line: 2, scope: !1)84!8 = !DILocalVariable(name: "str.0", line: 3, scope: !1, file: !2, type: !9)85!9 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, flags: DIFlagArtificial, scope: !2, baseType: !10)86!10 = !DICompositeType(tag: DW_TAG_array_type, size: 8, align: 8, scope: !2, baseType: !5, elements: !11)87!11 = !{!12}88!12 = !DISubrange(count: 1)89!13 = !DILocation(line: 3, scope: !14)90!14 = distinct !DILexicalBlock(line: 0, column: 0, file: !17, scope: !1)91!15 = !DILocation(line: 4, scope: !14)92!16 = !DILocation(line: 5, scope: !14)93!17 = !DIFile(filename: "vla.c", directory: "/tmp/")94!18 = !{i32 0}95