diff options
Diffstat (limited to 'test/CodeGen/X86/compact-unwind.ll')
| -rw-r--r-- | test/CodeGen/X86/compact-unwind.ll | 88 |
1 files changed, 79 insertions, 9 deletions
diff --git a/test/CodeGen/X86/compact-unwind.ll b/test/CodeGen/X86/compact-unwind.ll index 9d3a125..d3b89a5 100644 --- a/test/CodeGen/X86/compact-unwind.ll +++ b/test/CodeGen/X86/compact-unwind.ll @@ -1,12 +1,20 @@ ; RUN: llc < %s -disable-fp-elim -mtriple x86_64-apple-darwin11 -mcpu corei7 | FileCheck -check-prefix=ASM %s ; RUN: llc < %s -disable-fp-elim -mtriple x86_64-apple-darwin11 -mcpu corei7 -filetype=obj -o - \ -; RUN: | llvm-objdump -triple x86_64-apple-darwin11 -s - \ +; RUN: | llvm-objdump -triple x86_64-apple-darwin11 -unwind-info - \ ; RUN: | FileCheck -check-prefix=CU %s ; RUN: llc < %s -disable-fp-elim -mtriple x86_64-apple-darwin11 -mcpu corei7 \ ; RUN: | llvm-mc -triple x86_64-apple-darwin11 -filetype=obj -o - \ -; RUN: | llvm-objdump -triple x86_64-apple-darwin11 -s - \ +; RUN: | llvm-objdump -triple x86_64-apple-darwin11 -unwind-info - \ ; RUN: | FileCheck -check-prefix=FROM-ASM %s +; RUN: llc < %s -mtriple x86_64-apple-macosx10.8.0 -mcpu corei7 -filetype=obj -o - \ +; RUN: | llvm-objdump -triple x86_64-apple-macosx10.8.0 -unwind-info - \ +; RUN: | FileCheck -check-prefix=NOFP-CU %s +; RUN: llc < %s -mtriple x86_64-apple-darwin11 -mcpu corei7 \ +; RUN: | llvm-mc -triple x86_64-apple-darwin11 -filetype=obj -o - \ +; RUN: | llvm-objdump -triple x86_64-apple-darwin11 -unwind-info - \ +; RUN: | FileCheck -check-prefix=NOFP-FROM-ASM %s + %ty = type { i8* } @gv = external global i32 @@ -17,15 +25,19 @@ ; Even though we can't encode %rax into the compact unwind, We still want to be ; able to generate a compact unwind encoding in this particular case. -; CU: Contents of section __compact_unwind: -; CU-NEXT: 0020 00000000 00000000 1e000000 01000101 -; CU-NEXT: 0030 00000000 00000000 00000000 00000000 +; CU: Contents of __compact_unwind section: +; CU-NEXT: Entry at offset 0x0: +; CU-NEXT: start: 0x0 _test0 +; CU-NEXT: length: 0x1e +; CU-NEXT: compact encoding: 0x01010001 -; FROM-ASM: Contents of section __compact_unwind: -; FROM-ASM-NEXT: 0020 00000000 00000000 1e000000 01000101 -; FROM-ASM-NEXT: 0030 00000000 00000000 00000000 00000000 +; FROM-ASM: Contents of __compact_unwind section: +; FROM-ASM-NEXT: Entry at offset 0x0: +; FROM-ASM-NEXT: start: 0x0 _test0 +; FROM-ASM-NEXT: length: 0x1e +; FROM-ASM-NEXT: compact encoding: 0x01010001 -define i8* @foo(i64 %size) { +define i8* @test0(i64 %size) { %addr = alloca i64, align 8 %tmp20 = load i32* @gv, align 4 %tmp21 = call i32 @bar() @@ -39,3 +51,61 @@ define i8* @foo(i64 %size) { } declare i32 @bar() + +%"struct.dyld::MappedRanges" = type { [400 x %struct.anon], %"struct.dyld::MappedRanges"* } +%struct.anon = type { %class.ImageLoader*, i64, i64 } +%class.ImageLoader = type { i32 (...)**, i8*, i8*, i32, i64, i64, i32, i32, %"struct.ImageLoader::recursive_lock"*, i16, i16, [4 x i8] } +%"struct.ImageLoader::recursive_lock" = type { i32, i32 } + +@G1 = external hidden global %"struct.dyld::MappedRanges", align 8 + +declare void @OSMemoryBarrier() optsize + +; Test the code below uses UNWIND_X86_64_MODE_STACK_IMMD compact unwind +; encoding. + +; NOFP-CU: Entry at offset 0x20: +; NOFP-CU-NEXT: start: 0x1d _test1 +; NOFP-CU-NEXT: length: 0x42 +; NOFP-CU-NEXT: compact encoding: 0x02040c0a + +; NOFP-FROM-ASM: Entry at offset 0x20: +; NOFP-FROM-ASM-NEXT: start: 0x1d _test1 +; NOFP-FROM-ASM-NEXT: length: 0x42 +; NOFP-FROM-ASM-NEXT: compact encoding: 0x02040c0a + +define void @test1(%class.ImageLoader* %image) optsize ssp uwtable { +entry: + br label %for.cond1.preheader + +for.cond1.preheader: ; preds = %for.inc10, %entry + %p.019 = phi %"struct.dyld::MappedRanges"* [ @G1, %entry ], [ %1, %for.inc10 ] + br label %for.body3 + +for.body3: ; preds = %for.inc, %for.cond1.preheader + %indvars.iv = phi i64 [ 0, %for.cond1.preheader ], [ %indvars.iv.next, %for.inc ] + %image4 = getelementptr inbounds %"struct.dyld::MappedRanges"* %p.019, i64 0, i32 0, i64 %indvars.iv, i32 0 + %0 = load %class.ImageLoader** %image4, align 8 + %cmp5 = icmp eq %class.ImageLoader* %0, %image + br i1 %cmp5, label %if.then, label %for.inc + +if.then: ; preds = %for.body3 + tail call void @OSMemoryBarrier() optsize + store %class.ImageLoader* null, %class.ImageLoader** %image4, align 8 + br label %for.inc + +for.inc: ; preds = %if.then, %for.body3 + %indvars.iv.next = add i64 %indvars.iv, 1 + %lftr.wideiv = trunc i64 %indvars.iv.next to i32 + %exitcond = icmp eq i32 %lftr.wideiv, 400 + br i1 %exitcond, label %for.inc10, label %for.body3 + +for.inc10: ; preds = %for.inc + %next = getelementptr inbounds %"struct.dyld::MappedRanges"* %p.019, i64 0, i32 1 + %1 = load %"struct.dyld::MappedRanges"** %next, align 8 + %cmp = icmp eq %"struct.dyld::MappedRanges"* %1, null + br i1 %cmp, label %for.end11, label %for.cond1.preheader + +for.end11: ; preds = %for.inc10 + ret void +} |