1 ; RUN: llc < %s -disable-fp-elim -mtriple x86_64-apple-darwin11 -mcpu corei7 | FileCheck -check-prefix=ASM %s 2 ; RUN: llc < %s -disable-fp-elim -mtriple x86_64-apple-darwin11 -mcpu corei7 -filetype=obj -o - \ 3 ; RUN: | llvm-objdump -triple x86_64-apple-darwin11 -unwind-info - \ 4 ; RUN: | FileCheck -check-prefix=CU %s 5 ; RUN: llc < %s -disable-fp-elim -mtriple x86_64-apple-darwin11 -mcpu corei7 \ 6 ; RUN: | llvm-mc -triple x86_64-apple-darwin11 -filetype=obj -o - \ 7 ; RUN: | llvm-objdump -triple x86_64-apple-darwin11 -unwind-info - \ 8 ; RUN: | FileCheck -check-prefix=FROM-ASM %s 9 10 ; RUN: llc < %s -mtriple x86_64-apple-macosx10.8.0 -mcpu corei7 -filetype=obj -o - \ 11 ; RUN: | llvm-objdump -triple x86_64-apple-macosx10.8.0 -unwind-info - \ 12 ; RUN: | FileCheck -check-prefix=NOFP-CU %s 13 ; RUN: llc < %s -mtriple x86_64-apple-darwin11 -mcpu corei7 \ 14 ; RUN: | llvm-mc -triple x86_64-apple-darwin11 -filetype=obj -o - \ 15 ; RUN: | llvm-objdump -triple x86_64-apple-darwin11 -unwind-info - \ 16 ; RUN: | FileCheck -check-prefix=NOFP-FROM-ASM %s 17 18 %ty = type { i8* } 19 20 @gv = external global i32 21 22 ; This is aligning the stack with a push of a random register. 23 ; ASM: pushq %rax 24 25 ; Even though we can't encode %rax into the compact unwind, We still want to be 26 ; able to generate a compact unwind encoding in this particular case. 27 28 ; CU: Contents of __compact_unwind section: 29 ; CU-NEXT: Entry at offset 0x0: 30 ; CU-NEXT: start: 0x0 _test0 31 ; CU-NEXT: length: 0x1e 32 ; CU-NEXT: compact encoding: 0x01010001 33 34 ; FROM-ASM: Contents of __compact_unwind section: 35 ; FROM-ASM-NEXT: Entry at offset 0x0: 36 ; FROM-ASM-NEXT: start: 0x0 _test0 37 ; FROM-ASM-NEXT: length: 0x1e 38 ; FROM-ASM-NEXT: compact encoding: 0x01010001 39 40 define i8* @test0(i64 %size) { 41 %addr = alloca i64, align 8 42 %tmp20 = load i32, i32* @gv, align 4 43 %tmp21 = call i32 @bar() 44 %tmp25 = load i64, i64* %addr, align 8 45 %tmp26 = inttoptr i64 %tmp25 to %ty* 46 %tmp29 = getelementptr inbounds %ty, %ty* %tmp26, i64 0, i32 0 47 %tmp34 = load i8*, i8** %tmp29, align 8 48 %tmp35 = getelementptr inbounds i8, i8* %tmp34, i64 %size 49 store i8* %tmp35, i8** %tmp29, align 8 50 ret i8* null 51 } 52 53 declare i32 @bar() 54 55 %"struct.dyld::MappedRanges" = type { [400 x %struct.anon], %"struct.dyld::MappedRanges"* } 56 %struct.anon = type { %class.ImageLoader*, i64, i64 } 57 %class.ImageLoader = type { i32 (...)**, i8*, i8*, i32, i64, i64, i32, i32, %"struct.ImageLoader::recursive_lock"*, i16, i16, [4 x i8] } 58 %"struct.ImageLoader::recursive_lock" = type { i32, i32 } 59 60 @G1 = external hidden global %"struct.dyld::MappedRanges", align 8 61 62 declare void @OSMemoryBarrier() optsize 63 64 ; Test the code below uses UNWIND_X86_64_MODE_STACK_IMMD compact unwind 65 ; encoding. 66 67 ; NOFP-CU: Entry at offset 0x20: 68 ; NOFP-CU-NEXT: start: 0x1d _test1 69 ; NOFP-CU-NEXT: length: 0x42 70 ; NOFP-CU-NEXT: compact encoding: 0x02040c0a 71 72 ; NOFP-FROM-ASM: Entry at offset 0x20: 73 ; NOFP-FROM-ASM-NEXT: start: 0x1d _test1 74 ; NOFP-FROM-ASM-NEXT: length: 0x42 75 ; NOFP-FROM-ASM-NEXT: compact encoding: 0x02040c0a 76 77 define void @test1(%class.ImageLoader* %image) optsize ssp uwtable { 78 entry: 79 br label %for.cond1.preheader 80 81 for.cond1.preheader: ; preds = %for.inc10, %entry 82 %p.019 = phi %"struct.dyld::MappedRanges"* [ @G1, %entry ], [ %1, %for.inc10 ] 83 br label %for.body3 84 85 for.body3: ; preds = %for.inc, %for.cond1.preheader 86 %indvars.iv = phi i64 [ 0, %for.cond1.preheader ], [ %indvars.iv.next, %for.inc ] 87 %image4 = getelementptr inbounds %"struct.dyld::MappedRanges", %"struct.dyld::MappedRanges"* %p.019, i64 0, i32 0, i64 %indvars.iv, i32 0 88 %0 = load %class.ImageLoader*, %class.ImageLoader** %image4, align 8 89 %cmp5 = icmp eq %class.ImageLoader* %0, %image 90 br i1 %cmp5, label %if.then, label %for.inc 91 92 if.then: ; preds = %for.body3 93 tail call void @OSMemoryBarrier() optsize 94 store %class.ImageLoader* null, %class.ImageLoader** %image4, align 8 95 br label %for.inc 96 97 for.inc: ; preds = %if.then, %for.body3 98 %indvars.iv.next = add i64 %indvars.iv, 1 99 %lftr.wideiv = trunc i64 %indvars.iv.next to i32 100 %exitcond = icmp eq i32 %lftr.wideiv, 400 101 br i1 %exitcond, label %for.inc10, label %for.body3 102 103 for.inc10: ; preds = %for.inc 104 %next = getelementptr inbounds %"struct.dyld::MappedRanges", %"struct.dyld::MappedRanges"* %p.019, i64 0, i32 1 105 %1 = load %"struct.dyld::MappedRanges"*, %"struct.dyld::MappedRanges"** %next, align 8 106 %cmp = icmp eq %"struct.dyld::MappedRanges"* %1, null 107 br i1 %cmp, label %for.end11, label %for.cond1.preheader 108 109 for.end11: ; preds = %for.inc10 110 ret void 111 } 112
