; RUN: llc < %s
; RUN: llc < %s -march=x86-64
; 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 {
entry:
  %s1_addr = alloca i8*                           ; <i8**> [#uses=2]
  %retval = alloca i32                            ; <i32*> [#uses=2]
  %saved_stack.1 = alloca i8*                     ; <i8**> [#uses=2]
  %0 = alloca i32                                 ; <i32*> [#uses=2]
  %str.0 = alloca [0 x i8]*                       ; <[0 x i8]**> [#uses=3]
  %1 = alloca i64                                 ; <i64*> [#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
  store i8* %s1, i8** %s1_addr
  call void @llvm.dbg.declare(metadata !{[0 x i8]** %str.0}, metadata !8), !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]
  %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]
  %9 = sub nsw i64 %8, 1, !dbg !13                ; <i64> [#uses=0]
  %10 = load 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]
  store i64 %12, i64* %2, align 8, !dbg !13
  %13 = load 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]
  store i64 %15, i64* %1, align 8, !dbg !13
  %16 = load 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]
  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]
  %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]
  call void @llvm.stackrestore(i8* %26), !dbg !16
  %27 = load 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]
  %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 i8* @llvm.stacksave() nounwind

declare i64 @strlen(i8*) nounwind readonly

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, metadata !17, i32 1, metadata !"4.2.1 (Based on Apple Inc. build 5658) (LLVM build)", i1 true, metadata !"", i32 0, metadata !18, metadata !18, null, null, null, metadata !""} ; [ DW_TAG_compile_unit ]
!3 = metadata !{i32 458773, null, metadata !2, metadata !"", i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !4, i32 0, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
!4 = metadata !{metadata !5, metadata !6}
!5 = metadata !{i32 458788, null, metadata !2, metadata !"char", i32 0, i64 8, i64 8, i64 0, i32 0, i32 6} ; [ DW_TAG_base_type ]
!6 = metadata !{i32 458767, null, metadata !2, metadata !"", 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, null, metadata !2, metadata !"", i32 0, i64 64, i64 64, i64 0, i32 64, metadata !10} ; [ DW_TAG_pointer_type ]
!10 = metadata !{i32 458753, null, metadata !2, metadata !"", i32 0, i64 8, i64 8, i64 0, i32 0, metadata !5, metadata !11, i32 0, null, null, null} ; [ DW_TAG_array_type ] [line 0, size 8, align 8, offset 0] [from char]
!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 !17, metadata !1, i32 0, 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}
!17 = metadata !{metadata !"vla.c", metadata !"/tmp/"}
!18 = metadata !{i32 0}