1 ; RUN: llc < %s 2 ; RUN: llc < %s -march=x86-64 3 ; PR3538 4 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" 5 target triple = "i386-apple-darwin9" 6 define signext i8 @foo(i8* %s1) nounwind ssp { 7 entry: 8 %s1_addr = alloca i8* ; <i8**> [#uses=2] 9 %retval = alloca i32 ; <i32*> [#uses=2] 10 %saved_stack.1 = alloca i8* ; <i8**> [#uses=2] 11 %0 = alloca i32 ; <i32*> [#uses=2] 12 %str.0 = alloca [0 x i8]* ; <[0 x i8]**> [#uses=3] 13 %1 = alloca i64 ; <i64*> [#uses=2] 14 %2 = alloca i64 ; <i64*> [#uses=1] 15 %3 = alloca i64 ; <i64*> [#uses=6] 16 %"alloca point" = bitcast i32 0 to i32 ; <i32> [#uses=0] 17 call void @llvm.dbg.declare(metadata !{i8** %s1_addr}, metadata !0), !dbg !7 18 store i8* %s1, i8** %s1_addr 19 call void @llvm.dbg.declare(metadata !{[0 x i8]** %str.0}, metadata !8), !dbg !7 20 %4 = call i8* @llvm.stacksave(), !dbg !7 ; <i8*> [#uses=1] 21 store i8* %4, i8** %saved_stack.1, align 8, !dbg !7 22 %5 = load i8** %s1_addr, align 8, !dbg !13 ; <i8*> [#uses=1] 23 %6 = call i64 @strlen(i8* %5) nounwind readonly, !dbg !13 ; <i64> [#uses=1] 24 %7 = add i64 %6, 1, !dbg !13 ; <i64> [#uses=1] 25 store i64 %7, i64* %3, align 8, !dbg !13 26 %8 = load i64* %3, align 8, !dbg !13 ; <i64> [#uses=1] 27 %9 = sub nsw i64 %8, 1, !dbg !13 ; <i64> [#uses=0] 28 %10 = load i64* %3, align 8, !dbg !13 ; <i64> [#uses=1] 29 %11 = mul i64 %10, 8, !dbg !13 ; <i64> [#uses=0] 30 %12 = load i64* %3, align 8, !dbg !13 ; <i64> [#uses=1] 31 store i64 %12, i64* %2, align 8, !dbg !13 32 %13 = load i64* %3, align 8, !dbg !13 ; <i64> [#uses=1] 33 %14 = mul i64 %13, 8, !dbg !13 ; <i64> [#uses=0] 34 %15 = load i64* %3, align 8, !dbg !13 ; <i64> [#uses=1] 35 store i64 %15, i64* %1, align 8, !dbg !13 36 %16 = load i64* %1, align 8, !dbg !13 ; <i64> [#uses=1] 37 %17 = trunc i64 %16 to i32, !dbg !13 ; <i32> [#uses=1] 38 %18 = alloca i8, i32 %17, !dbg !13 ; <i8*> [#uses=1] 39 %19 = bitcast i8* %18 to [0 x i8]*, !dbg !13 ; <[0 x i8]*> [#uses=1] 40 store [0 x i8]* %19, [0 x i8]** %str.0, align 8, !dbg !13 41 %20 = load [0 x i8]** %str.0, align 8, !dbg !15 ; <[0 x i8]*> [#uses=1] 42 %21 = getelementptr inbounds [0 x i8]* %20, i64 0, i64 0, !dbg !15 ; <i8*> [#uses=1] 43 store i8 0, i8* %21, align 1, !dbg !15 44 %22 = load [0 x i8]** %str.0, align 8, !dbg !16 ; <[0 x i8]*> [#uses=1] 45 %23 = getelementptr inbounds [0 x i8]* %22, i64 0, i64 0, !dbg !16 ; <i8*> [#uses=1] 46 %24 = load i8* %23, align 1, !dbg !16 ; <i8> [#uses=1] 47 %25 = sext i8 %24 to i32, !dbg !16 ; <i32> [#uses=1] 48 store i32 %25, i32* %0, align 4, !dbg !16 49 %26 = load i8** %saved_stack.1, align 8, !dbg !16 ; <i8*> [#uses=1] 50 call void @llvm.stackrestore(i8* %26), !dbg !16 51 %27 = load i32* %0, align 4, !dbg !16 ; <i32> [#uses=1] 52 store i32 %27, i32* %retval, align 4, !dbg !16 53 br label %return, !dbg !16 54 55 return: ; preds = %entry 56 %retval1 = load i32* %retval, !dbg !16 ; <i32> [#uses=1] 57 %retval12 = trunc i32 %retval1 to i8, !dbg !16 ; <i8> [#uses=1] 58 ret i8 %retval12, !dbg !16 59 } 60 61 declare void @llvm.dbg.declare(metadata, metadata) nounwind readnone 62 63 declare i8* @llvm.stacksave() nounwind 64 65 declare i64 @strlen(i8*) nounwind readonly 66 67 declare void @llvm.stackrestore(i8*) nounwind 68 69 !0 = metadata !{i32 459009, metadata !1, metadata !"s1", metadata !2, i32 2, metadata !6} ; [ DW_TAG_arg_variable ] 70 !1 = metadata !{i32 458798, i32 0, metadata !2, metadata !"foo", metadata !"foo", metadata !"foo", metadata !2, i32 2, metadata !3, i1 false, i1 true, i32 0, i32 0, null, i1 false} ; [ DW_TAG_subprogram ] 71 !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 ] 72 !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 ] 73 !4 = metadata !{metadata !5, metadata !6} 74 !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 ] 75 !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 ] 76 !7 = metadata !{i32 2, i32 0, metadata !1, null} 77 !8 = metadata !{i32 459008, metadata !1, metadata !"str.0", metadata !2, i32 3, metadata !9} ; [ DW_TAG_auto_variable ] 78 !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 ] 79 !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 ] 80 !11 = metadata !{metadata !12} 81 !12 = metadata !{i32 458785, i64 0, i64 0} ; [ DW_TAG_subrange_type ] 82 !13 = metadata !{i32 3, i32 0, metadata !14, null} 83 !14 = metadata !{i32 458763, metadata !1, i32 0, i32 0} ; [ DW_TAG_lexical_block ] 84 !15 = metadata !{i32 4, i32 0, metadata !14, null} 85 !16 = metadata !{i32 5, i32 0, metadata !14, null} 86
