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| author | Jan Wen Voung <jvoung@google.com> | 2010-10-04 17:32:41 +0000 |
|---|---|---|
| committer | Jan Wen Voung <jvoung@google.com> | 2010-10-04 17:32:41 +0000 |
| commit | 083cf1574facc9ce468fba1735c794bd7e520108 (patch) | |
| tree | 89bc4a3eeececcf7162c44251e43316055fa47e0 /test | |
| parent | 7a391832f46ca2947f6ee46f6fad53cf64197d28 (diff) | |
| download | llvm-083cf1574facc9ce468fba1735c794bd7e520108.tar.gz llvm-083cf1574facc9ce468fba1735c794bd7e520108.tar.bz2 llvm-083cf1574facc9ce468fba1735c794bd7e520108.tar.xz | |
Add hook in MCSection to decide when to use "optimized nops", for each
section kind. Previously, optimized nops were only used for MachO.
Also added tests for ELF and COFF.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115523 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test')
| -rw-r--r-- | test/MC/COFF/align-nops.s | 45 | ||||
| -rw-r--r-- | test/MC/COFF/dg.exp | 2 | ||||
| -rw-r--r-- | test/MC/ELF/align-nops.s | 40 |
3 files changed, 86 insertions, 1 deletions
diff --git a/test/MC/COFF/align-nops.s b/test/MC/COFF/align-nops.s new file mode 100644 index 0000000000..f190fdb9a2 --- /dev/null +++ b/test/MC/COFF/align-nops.s @@ -0,0 +1,45 @@ +// RUN: llvm-mc -filetype=obj -triple i686-pc-win32 %s -o %t +// RUN: coff-dump.py %abs_tmp | FileCheck %s + +// Test that we get optimal nops in text + .text +f0: + .long 0 + .align 8, 0x90 + .long 0 + .align 8 + +// But not in another section + .data + .long 0 + .align 8, 0x90 + .long 0 + .align 8 + +//CHECK: Name = .text +//CHECK-NEXT: VirtualSize +//CHECK-NEXT: VirtualAddress +//CHECK-NEXT: SizeOfRawData = 16 +//CHECK-NEXT: PointerToRawData +//CHECK-NEXT: PointerToRelocations +//CHECK-NEXT: PointerToLineNumbers +//CHECK-NEXT: NumberOfRelocations +//CHECK-NEXT: NumberOfLineNumbers +//CHECK-NEXT: Charateristics = 0x400001 +//CHECK-NEXT: IMAGE_SCN_ALIGN_8BYTES +//CHECK-NEXT: SectionData = +//CHECK-NEXT: 00 00 00 00 0F 1F 40 00 - 00 00 00 00 0F 1F 40 00 + +//CHECK: Name = .data +//CHECK-NEXT: VirtualSize +//CHECK-NEXT: VirtualAddress +//CHECK-NEXT: SizeOfRawData = 16 +//CHECK-NEXT: PointerToRawData +//CHECK-NEXT: PointerToRelocations +//CHECK-NEXT: PointerToLineNumbers +//CHECK-NEXT: NumberOfRelocations +//CHECK-NEXT: NumberOfLineNumbers +//CHECK-NEXT: Charateristics = 0x400001 +//CHECK-NEXT: IMAGE_SCN_ALIGN_8BYTES +//CHECK-NEXT: SectionData = +//CHECK-NEXT: 00 00 00 00 90 90 90 90 - 00 00 00 00 00 00 00 00 diff --git a/test/MC/COFF/dg.exp b/test/MC/COFF/dg.exp index 7b7bd4e738..d46d700975 100644 --- a/test/MC/COFF/dg.exp +++ b/test/MC/COFF/dg.exp @@ -1,5 +1,5 @@ load_lib llvm.exp if { [llvm_supports_target X86] } { - RunLLVMTests [lsort [glob -nocomplain $srcdir/$subdir/*.{ll}]] + RunLLVMTests [lsort [glob -nocomplain $srcdir/$subdir/*.{ll,s}]] } diff --git a/test/MC/ELF/align-nops.s b/test/MC/ELF/align-nops.s new file mode 100644 index 0000000000..b6793ecb67 --- /dev/null +++ b/test/MC/ELF/align-nops.s @@ -0,0 +1,40 @@ +// RUN: llvm-mc -filetype=obj -triple x86_64-pc-linux-gnu %s -o - | elf-dump --dump-section-data | FileCheck %s + +// Test that we get optimal nops in text + .text +f0: + .long 0 + .align 8, 0x90 + .long 0 + .align 8 + +// But not in another section + .data + .long 0 + .align 8, 0x90 + .long 0 + .align 8 + +// CHECK: (('sh_name', 1) # '.text' +// CHECK-NEXT: ('sh_type', 1) +// CHECK-NEXT: ('sh_flags', 6) +// CHECK-NEXT: ('sh_addr', +// CHECK-NEXT: ('sh_offset', +// CHECK-NEXT: ('sh_size', 16) +// CHECK-NEXT: ('sh_link', 0) +// CHECK-NEXT: ('sh_info', 0) +// CHECK-NEXT: ('sh_addralign', 8) +// CHECK-NEXT: ('sh_entsize', 0) +// CHECK-NEXT: ('_section_data', '00000000 0f1f4000 00000000 0f1f4000') + +// CHECK: (('sh_name', 7) # '.data' +// CHECK-NEXT: ('sh_type', 1) +// CHECK-NEXT: ('sh_flags', 3) +// CHECK-NEXT: ('sh_addr', +// CHECK-NEXT: ('sh_offset', +// CHECK-NEXT: ('sh_size', 16) +// CHECK-NEXT: ('sh_link', 0) +// CHECK-NEXT: ('sh_info', 0) +// CHECK-NEXT: ('sh_addralign', 8) +// CHECK-NEXT: ('sh_entsize', 0) +// CHECK-NEXT: ('_section_data', '00000000 90909090 00000000 00000000') |