; RUN: llc < %s
-; RUN: llc < %s -march=x86-64
+; RUN: llc < %s -march=x86-64 -verify-machineinstrs | FileCheck %s
; PR3538
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-f80:128:128"
target triple = "i386-apple-darwin9"
define signext i8 @foo(i8* %s1) nounwind ssp {
+
+; Make sure we generate:
+; movq -40(%rbp), %rsp
+; Instead of:
+; movq -40(%rbp), %rax
+; movq %rax, %rsp
+
+; CHECK-LABEL: @foo
+; CHECK: movq -40(%rbp), %rsp
+
entry:
%s1_addr = alloca i8* ; <i8**> [#uses=2]
%retval = alloca i32 ; <i32*> [#uses=2]
%2 = alloca i64 ; <i64*> [#uses=1]
%3 = alloca i64 ; <i64*> [#uses=6]
%"alloca point" = bitcast i32 0 to i32 ; <i32> [#uses=0]
- call void @llvm.dbg.declare(metadata !{i8** %s1_addr}, metadata !0), !dbg !7
+ call void @llvm.dbg.declare(metadata i8** %s1_addr, metadata !0, metadata !DIExpression()), !dbg !7
store i8* %s1, i8** %s1_addr
- call void @llvm.dbg.declare(metadata !{[0 x i8]** %str.0}, metadata !8), !dbg !7
+ call void @llvm.dbg.declare(metadata [0 x i8]** %str.0, metadata !8, metadata !DIExpression()), !dbg !7
%4 = call i8* @llvm.stacksave(), !dbg !7 ; <i8*> [#uses=1]
store i8* %4, i8** %saved_stack.1, align 8, !dbg !7
- %5 = load i8** %s1_addr, align 8, !dbg !13 ; <i8*> [#uses=1]
+ %5 = load i8*, i8** %s1_addr, align 8, !dbg !13 ; <i8*> [#uses=1]
%6 = call i64 @strlen(i8* %5) nounwind readonly, !dbg !13 ; <i64> [#uses=1]
%7 = add i64 %6, 1, !dbg !13 ; <i64> [#uses=1]
store i64 %7, i64* %3, align 8, !dbg !13
- %8 = load i64* %3, align 8, !dbg !13 ; <i64> [#uses=1]
+ %8 = load i64, i64* %3, align 8, !dbg !13 ; <i64> [#uses=1]
%9 = sub nsw i64 %8, 1, !dbg !13 ; <i64> [#uses=0]
- %10 = load i64* %3, align 8, !dbg !13 ; <i64> [#uses=1]
+ %10 = load i64, i64* %3, align 8, !dbg !13 ; <i64> [#uses=1]
%11 = mul i64 %10, 8, !dbg !13 ; <i64> [#uses=0]
- %12 = load i64* %3, align 8, !dbg !13 ; <i64> [#uses=1]
+ %12 = load i64, i64* %3, align 8, !dbg !13 ; <i64> [#uses=1]
store i64 %12, i64* %2, align 8, !dbg !13
- %13 = load i64* %3, align 8, !dbg !13 ; <i64> [#uses=1]
+ %13 = load i64, i64* %3, align 8, !dbg !13 ; <i64> [#uses=1]
%14 = mul i64 %13, 8, !dbg !13 ; <i64> [#uses=0]
- %15 = load i64* %3, align 8, !dbg !13 ; <i64> [#uses=1]
+ %15 = load i64, i64* %3, align 8, !dbg !13 ; <i64> [#uses=1]
store i64 %15, i64* %1, align 8, !dbg !13
- %16 = load i64* %1, align 8, !dbg !13 ; <i64> [#uses=1]
+ %16 = load i64, i64* %1, align 8, !dbg !13 ; <i64> [#uses=1]
%17 = trunc i64 %16 to i32, !dbg !13 ; <i32> [#uses=1]
%18 = alloca i8, i32 %17, !dbg !13 ; <i8*> [#uses=1]
%19 = bitcast i8* %18 to [0 x i8]*, !dbg !13 ; <[0 x i8]*> [#uses=1]
store [0 x i8]* %19, [0 x i8]** %str.0, align 8, !dbg !13
- %20 = load [0 x i8]** %str.0, align 8, !dbg !15 ; <[0 x i8]*> [#uses=1]
- %21 = getelementptr inbounds [0 x i8]* %20, i64 0, i64 0, !dbg !15 ; <i8*> [#uses=1]
+ %20 = load [0 x i8]*, [0 x i8]** %str.0, align 8, !dbg !15 ; <[0 x i8]*> [#uses=1]
+ %21 = getelementptr inbounds [0 x i8], [0 x i8]* %20, i64 0, i64 0, !dbg !15 ; <i8*> [#uses=1]
store i8 0, i8* %21, align 1, !dbg !15
- %22 = load [0 x i8]** %str.0, align 8, !dbg !16 ; <[0 x i8]*> [#uses=1]
- %23 = getelementptr inbounds [0 x i8]* %22, i64 0, i64 0, !dbg !16 ; <i8*> [#uses=1]
- %24 = load i8* %23, align 1, !dbg !16 ; <i8> [#uses=1]
+ %22 = load [0 x i8]*, [0 x i8]** %str.0, align 8, !dbg !16 ; <[0 x i8]*> [#uses=1]
+ %23 = getelementptr inbounds [0 x i8], [0 x i8]* %22, i64 0, i64 0, !dbg !16 ; <i8*> [#uses=1]
+ %24 = load i8, i8* %23, align 1, !dbg !16 ; <i8> [#uses=1]
%25 = sext i8 %24 to i32, !dbg !16 ; <i32> [#uses=1]
store i32 %25, i32* %0, align 4, !dbg !16
- %26 = load i8** %saved_stack.1, align 8, !dbg !16 ; <i8*> [#uses=1]
+ %26 = load i8*, i8** %saved_stack.1, align 8, !dbg !16 ; <i8*> [#uses=1]
call void @llvm.stackrestore(i8* %26), !dbg !16
- %27 = load i32* %0, align 4, !dbg !16 ; <i32> [#uses=1]
+ %27 = load i32, i32* %0, align 4, !dbg !16 ; <i32> [#uses=1]
store i32 %27, i32* %retval, align 4, !dbg !16
br label %return, !dbg !16
return: ; preds = %entry
- %retval1 = load i32* %retval, !dbg !16 ; <i32> [#uses=1]
+ %retval1 = load i32, i32* %retval, !dbg !16 ; <i32> [#uses=1]
%retval12 = trunc i32 %retval1 to i8, !dbg !16 ; <i8> [#uses=1]
ret i8 %retval12, !dbg !16
}
-declare void @llvm.dbg.declare(metadata, metadata) nounwind readnone
+declare void @llvm.dbg.declare(metadata, metadata, metadata) nounwind readnone
declare i8* @llvm.stacksave() nounwind
declare void @llvm.stackrestore(i8*) nounwind
-!0 = metadata !{i32 459009, metadata !1, metadata !"s1", metadata !2, i32 2, metadata !6} ; [ DW_TAG_arg_variable ]
-!1 = metadata !{i32 458798, i32 0, metadata !2, metadata !"foo", metadata !"foo", metadata !"foo", i32 2, metadata !3, i1 false, i1 true,
- i32 0, i32 0, null, i32 0, i32 0, null, null, null, null, i32 0} ; [ DW_TAG_subprogram ]
-!2 = metadata !{i32 458769, i32 0, i32 1, metadata !"vla.c", metadata !"/tmp/", metadata !"4.2.1 (Based on Apple Inc. build 5658) (LLVM build)", i1 true, i1 false, metadata !"", i32 0} ; [ DW_TAG_compile_unit ]
-!3 = metadata !{i32 458773, metadata !2, metadata !"", metadata !2, i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !4, i32 0, null} ; [ DW_TAG_subroutine_type ]
-!4 = metadata !{metadata !5, metadata !6}
-!5 = metadata !{i32 458788, metadata !2, metadata !"char", metadata !2, i32 0, i64 8, i64 8, i64 0, i32 0, i32 6} ; [ DW_TAG_base_type ]
-!6 = metadata !{i32 458767, metadata !2, metadata !"", metadata !2, i32 0, i64 64, i64 64, i64 0, i32 0, metadata !5} ; [ DW_TAG_pointer_type ]
-!7 = metadata !{i32 2, i32 0, metadata !1, null}
-!8 = metadata !{i32 459008, metadata !1, metadata !"str.0", metadata !2, i32 3, metadata !9} ; [ DW_TAG_auto_variable ]
-!9 = metadata !{i32 458767, metadata !2, metadata !"", metadata !2, i32 0, i64 64, i64 64, i64 0, i32 64, metadata !10} ; [ DW_TAG_pointer_type ]
-!10 = metadata !{i32 458753, metadata !2, metadata !"", metadata !2, i32 0, i64 8, i64 8, i64 0, i32 0, metadata !5, metadata !11, i32 0, null} ; [ DW_TAG_array_type ]
-!11 = metadata !{metadata !12}
-!12 = metadata !{i32 458785, i64 0, i64 1} ; [ DW_TAG_subrange_type ]
-!13 = metadata !{i32 3, i32 0, metadata !14, null}
-!14 = metadata !{i32 458763, metadata !1, i32 0, i32 0} ; [ DW_TAG_lexical_block ]
-!15 = metadata !{i32 4, i32 0, metadata !14, null}
-!16 = metadata !{i32 5, i32 0, metadata !14, null}
+!0 = !DILocalVariable(tag: DW_TAG_arg_variable, name: "s1", line: 2, arg: 1, scope: !1, file: !2, type: !6)
+!1 = !DISubprogram(name: "foo", linkageName: "foo", line: 2, isLocal: false, isDefinition: true, virtualIndex: 6, isOptimized: false, scope: !2, type: !3)
+!2 = !DICompileUnit(language: DW_LANG_C89, producer: "4.2.1 (Based on Apple Inc. build 5658) (LLVM build)", isOptimized: true, emissionKind: 0, file: !17, enums: !18, retainedTypes: !18)
+!3 = !DISubroutineType(types: !4)
+!4 = !{!5, !6}
+!5 = !DIBasicType(tag: DW_TAG_base_type, name: "char", size: 8, align: 8, encoding: DW_ATE_signed_char)
+!6 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, scope: !2, baseType: !5)
+!7 = !DILocation(line: 2, scope: !1)
+!8 = !DILocalVariable(tag: DW_TAG_auto_variable, name: "str.0", line: 3, scope: !1, file: !2, type: !9)
+!9 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, flags: DIFlagArtificial, scope: !2, baseType: !10)
+!10 = !DICompositeType(tag: DW_TAG_array_type, size: 8, align: 8, scope: !2, baseType: !5, elements: !11)
+!11 = !{!12}
+!12 = !DISubrange(count: 1)
+!13 = !DILocation(line: 3, scope: !14)
+!14 = distinct !DILexicalBlock(line: 0, column: 0, file: !17, scope: !1)
+!15 = !DILocation(line: 4, scope: !14)
+!16 = !DILocation(line: 5, scope: !14)
+!17 = !DIFile(filename: "vla.c", directory: "/tmp/")
+!18 = !{i32 0}
projects / oota-llvm.git / blobdiff