1 ; RUN: llc < %s -frame-pointer=all -mtriple x86_64-apple-darwin11 -mcpu corei7 | FileCheck -check-prefix=ASM %s
2 ; RUN: llc < %s -frame-pointer=all -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 -frame-pointer=all -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
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
20 @gv = external global i32
22 ; This is aligning the stack with a push of a random register.
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.
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
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
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
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 }
60 @G1 = external hidden global %"struct.dyld::MappedRanges", align 8
62 declare void @OSMemoryBarrier() optsize
64 ; Test the code below uses UNWIND_X86_64_MODE_STACK_IMMD compact unwind
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
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
77 define void @test1(%class.ImageLoader* %image) optsize ssp uwtable {
79 br label %for.cond1.preheader
81 for.cond1.preheader: ; preds = %for.inc10, %entry
82 %p.019 = phi %"struct.dyld::MappedRanges"* [ @G1, %entry ], [ %1, %for.inc10 ]
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
92 if.then: ; preds = %for.body3
93 tail call void @OSMemoryBarrier() optsize
94 store %class.ImageLoader* null, %class.ImageLoader** %image4, align 8
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
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
109 for.end11: ; preds = %for.inc10