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llvm-mirror/test/CodeGen/X86/global-sections.ll

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Eliminate more uses of llvm-as and llvm-dis. llvm-svn: 81290
2009-09-09 01:54:48 +02:00
; RUN: llc < %s -mtriple=i386-unknown-linux-gnu | FileCheck %s -check-prefix=LINUX
; RUN: llc < %s -mtriple=i386-apple-darwin9.7 | FileCheck %s -check-prefix=DARWIN
add llvm codegen support for -ffunction-sections and -fdata-sections, patch by Sylvere Teissier! llvm-svn: 101106
2010-04-13 02:36:43 +02:00
; RUN: llc < %s -mtriple=i386-unknown-linux-gnu -fdata-sections | FileCheck %s -check-prefix=LINUX-SECTIONS
add the most expedient hack to fix PR4619, along with a testcase. Thanks to Rafael for the great example. llvm-svn: 77083
2009-07-25 19:57:37 +02:00
simplify DarwinTargetAsmInfo::SelectSectionForGlobal a bit and make it more aggressive, we now put: const int G2 __attribute__((weak)) = 42; into the text (readonly) segment like gcc, previously we put it into the data (readwrite) segment. llvm-svn: 77104
2009-07-26 02:51:36 +02:00
; int G1;
add the most expedient hack to fix PR4619, along with a testcase. Thanks to Rafael for the great example. llvm-svn: 77083
2009-07-25 19:57:37 +02:00
@G1 = common global i32 0
; LINUX: .type G1,@object
; LINUX: .comm G1,4,4
simplify DarwinTargetAsmInfo::SelectSectionForGlobal a bit and make it more aggressive, we now put: const int G2 __attribute__((weak)) = 42; into the text (readonly) segment like gcc, previously we put it into the data (readwrite) segment. llvm-svn: 77104
2009-07-26 02:51:36 +02:00
; DARWIN: .comm _G1,4,2
; const int G2 __attribute__((weak)) = 42;
Update tests. llvm-svn: 123591
2011-01-16 19:02:57 +01:00
@G2 = weak_odr unnamed_addr constant i32 42
simplify DarwinTargetAsmInfo::SelectSectionForGlobal a bit and make it more aggressive, we now put: const int G2 __attribute__((weak)) = 42; into the text (readonly) segment like gcc, previously we put it into the data (readwrite) segment. llvm-svn: 77104
2009-07-26 02:51:36 +02:00
; TODO: linux drops this into .rodata, we drop it into ".gnu.linkonce.r.G2"
two changes: 1) nuke ConstDataCoalSection, which is dead. 2) revise my previous patch for rdar://8018335, which was completely wrong. Specifically, it doesn't make sense to mark __TEXT,__const_coal as PURE_INSTRUCTIONS, because it is for readonly data. templates (it turns out) go to const_coal_nt. The real fix for rdar://8018335 was to give ConstTextCoalSection a section kind of ReadOnly instead of Text. llvm-svn: 112496
2010-08-30 20:12:35 +02:00
; DARWIN: .section __TEXT,__const_coal,coalesced
simplify DarwinTargetAsmInfo::SelectSectionForGlobal a bit and make it more aggressive, we now put: const int G2 __attribute__((weak)) = 42; into the text (readonly) segment like gcc, previously we put it into the data (readwrite) segment. llvm-svn: 77104
2009-07-26 02:51:36 +02:00
; DARWIN: _G2:
; DARWIN: .long 42
finish simplifying DarwinTargetAsmInfo::SelectSectionForGlobal for now. Make the section switching directives more consistent by not including \n and including \t for them all. llvm-svn: 77107
2009-07-26 03:24:18 +02:00
; int * const G3 = &G1;
Update tests. llvm-svn: 123591
2011-01-16 19:02:57 +01:00
@G3 = unnamed_addr constant i32* @G1
finish simplifying DarwinTargetAsmInfo::SelectSectionForGlobal for now. Make the section switching directives more consistent by not including \n and including \t for them all. llvm-svn: 77107
2009-07-26 03:24:18 +02:00
Make the big switch: Change MCSectionMachO to represent a section *semantically* instead of syntactically as a string. This means that it keeps track of the segment, section, flags, etc directly and asmprints them in the right format. This also includes parsing and validation support for llvm-mc and "attribute(section)", so we should now start getting errors about invalid section attributes from the compiler instead of the assembler on darwin. Still todo: 1) Uniquing of darwin mcsections 2) Move all the Darwin stuff out to MCSectionMachO.[cpp|h] 3) there are a few FIXMEs, for example what is the syntax to get the S_GB_ZEROFILL segment type? llvm-svn: 78547
2009-08-10 03:39:42 +02:00
; DARWIN: .section __DATA,__const
finish simplifying DarwinTargetAsmInfo::SelectSectionForGlobal for now. Make the section switching directives more consistent by not including \n and including \t for them all. llvm-svn: 77107
2009-07-26 03:24:18 +02:00
; DARWIN: .globl _G3
; DARWIN: _G3:
; DARWIN: .long _G1
Be nice to Xcore and the XMOS assembler and avoid quoting section names that contain only letters, digits and the characters "_" and ".". llvm-svn: 127028
2011-03-04 21:03:14 +01:00
; LINUX: .section .rodata,"a",@progbits
add llvm codegen support for -ffunction-sections and -fdata-sections, patch by Sylvere Teissier! llvm-svn: 101106
2010-04-13 02:36:43 +02:00
; LINUX: .globl G3
Be nice to Xcore and the XMOS assembler and avoid quoting section names that contain only letters, digits and the characters "_" and ".". llvm-svn: 127028
2011-03-04 21:03:14 +01:00
; LINUX-SECTIONS: .section .rodata.G3,"a",@progbits
add llvm codegen support for -ffunction-sections and -fdata-sections, patch by Sylvere Teissier! llvm-svn: 101106
2010-04-13 02:36:43 +02:00
; LINUX-SECTIONS: .globl G3
finish simplifying DarwinTargetAsmInfo::SelectSectionForGlobal for now. Make the section switching directives more consistent by not including \n and including \t for them all. llvm-svn: 77107
2009-07-26 03:24:18 +02:00
; _Complex long long const G4 = 34;
Update tests. llvm-svn: 123591
2011-01-16 19:02:57 +01:00
@G4 = unnamed_addr constant {i64,i64} { i64 34, i64 0 }
finish simplifying DarwinTargetAsmInfo::SelectSectionForGlobal for now. Make the section switching directives more consistent by not including \n and including \t for them all. llvm-svn: 77107
2009-07-26 03:24:18 +02:00
Fix an obvious typo that's preventing x86 (32-bit) from using .literal16. llvm-svn: 135535
2011-07-20 01:14:32 +02:00
; DARWIN: .section __TEXT,__literal16,16byte_literals
finish simplifying DarwinTargetAsmInfo::SelectSectionForGlobal for now. Make the section switching directives more consistent by not including \n and including \t for them all. llvm-svn: 77107
2009-07-26 03:24:18 +02:00
; DARWIN: _G4:
put normal data into .data instead of .data.rel on elf systems. llvm-svn: 77116
2009-07-26 05:06:11 +02:00
; DARWIN: .long 34
; int G5 = 47;
@G5 = global i32 47
; LINUX: .data
; LINUX: .globl G5
; LINUX: G5:
; LINUX: .long 47
Make the big switch: Change MCSectionMachO to represent a section *semantically* instead of syntactically as a string. This means that it keeps track of the segment, section, flags, etc directly and asmprints them in the right format. This also includes parsing and validation support for llvm-mc and "attribute(section)", so we should now start getting errors about invalid section attributes from the compiler instead of the assembler on darwin. Still todo: 1) Uniquing of darwin mcsections 2) Move all the Darwin stuff out to MCSectionMachO.[cpp|h] 3) there are a few FIXMEs, for example what is the syntax to get the S_GB_ZEROFILL segment type? llvm-svn: 78547
2009-08-10 03:39:42 +02:00
; DARWIN: .section __DATA,__data
put normal data into .data instead of .data.rel on elf systems. llvm-svn: 77116
2009-07-26 05:06:11 +02:00
; DARWIN: .globl _G5
; DARWIN: _G5:
; DARWIN: .long 47
fix PR4584 with a trivial patch now that the pieces are in place. llvm-svn: 77434
2009-07-29 07:20:33 +02:00
; PR4584
@"foo bar" = linkonce global i32 42
; LINUX: .type foo_20_bar,@object
Be nice to Xcore and the XMOS assembler and avoid quoting section names that contain only letters, digits and the characters "_" and ".". llvm-svn: 127028
2011-03-04 21:03:14 +01:00
; LINUX: .section .data.foo_20_bar,"aGw",@progbits,foo_20_bar,comdat
fix PR4584 with a trivial patch now that the pieces are in place. llvm-svn: 77434
2009-07-29 07:20:33 +02:00
; LINUX: .weak foo_20_bar
; LINUX: foo_20_bar:
; DARWIN: .section __DATA,__datacoal_nt,coalesced
; DARWIN: .globl "_foo bar"
; DARWIN: .weak_definition "_foo bar"
; DARWIN: "_foo bar":
fix PR4650: we only track sizes for certain objects, so only put something into the mergable section if it is one of our special cases. This could obviously be improved, but this is the minimal fix and restores us to the previous behavior. llvm-svn: 77679
2009-07-31 18:17:13 +02:00
; PR4650
Update tests. llvm-svn: 123591
2011-01-16 19:02:57 +01:00
@G6 = weak_odr unnamed_addr constant [1 x i8] c"\01"
fix PR4650: we only track sizes for certain objects, so only put something into the mergable section if it is one of our special cases. This could obviously be improved, but this is the minimal fix and restores us to the previous behavior. llvm-svn: 77679
2009-07-31 18:17:13 +02:00
; LINUX: .type G6,@object
Be nice to Xcore and the XMOS assembler and avoid quoting section names that contain only letters, digits and the characters "_" and ".". llvm-svn: 127028
2011-03-04 21:03:14 +01:00
; LINUX: .section .rodata.G6,"aG",@progbits,G6,comdat
fix PR4650: we only track sizes for certain objects, so only put something into the mergable section if it is one of our special cases. This could obviously be improved, but this is the minimal fix and restores us to the previous behavior. llvm-svn: 77679
2009-07-31 18:17:13 +02:00
; LINUX: .weak G6
Various AsmWriter output cleanups. Use WriteAsOperand instead of PrintUnmangledNameSafely. llvm-svn: 78878
2009-08-13 03:36:44 +02:00
; LINUX: G6:
emit .ascii and .asciz through MCStreamer. llvm-svn: 94282
2010-01-23 05:54:10 +01:00
; LINUX: .byte 1
Various AsmWriter output cleanups. Use WriteAsOperand instead of PrintUnmangledNameSafely. llvm-svn: 78878
2009-08-13 03:36:44 +02:00
; LINUX: .size G6, 1
fix PR4650: we only track sizes for certain objects, so only put something into the mergable section if it is one of our special cases. This could obviously be improved, but this is the minimal fix and restores us to the previous behavior. llvm-svn: 77679
2009-07-31 18:17:13 +02:00
two changes: 1) nuke ConstDataCoalSection, which is dead. 2) revise my previous patch for rdar://8018335, which was completely wrong. Specifically, it doesn't make sense to mark __TEXT,__const_coal as PURE_INSTRUCTIONS, because it is for readonly data. templates (it turns out) go to const_coal_nt. The real fix for rdar://8018335 was to give ConstTextCoalSection a section kind of ReadOnly instead of Text. llvm-svn: 112496
2010-08-30 20:12:35 +02:00
; DARWIN: .section __TEXT,__const_coal,coalesced
fix PR4650: we only track sizes for certain objects, so only put something into the mergable section if it is one of our special cases. This could obviously be improved, but this is the minimal fix and restores us to the previous behavior. llvm-svn: 77679
2009-07-31 18:17:13 +02:00
; DARWIN: .globl _G6
; DARWIN: .weak_definition _G6
; DARWIN:_G6:
emit .ascii and .asciz through MCStreamer. llvm-svn: 94282
2010-01-23 05:54:10 +01:00
; DARWIN: .byte 1
fix PR4650: we only track sizes for certain objects, so only put something into the mergable section if it is one of our special cases. This could obviously be improved, but this is the minimal fix and restores us to the previous behavior. llvm-svn: 77679
2009-07-31 18:17:13 +02:00
Add support emiting for 2/4 byte mergable strings to the ".rodata.str*" section on ELF targets. llvm-svn: 78066
2009-08-04 18:13:09 +02:00
Update tests. llvm-svn: 123591
2011-01-16 19:02:57 +01:00
@G7 = unnamed_addr constant [10 x i8] c"abcdefghi\00"
Add support emiting for 2/4 byte mergable strings to the ".rodata.str*" section on ELF targets. llvm-svn: 78066
2009-08-04 18:13:09 +02:00
Make the big switch: Change MCSectionMachO to represent a section *semantically* instead of syntactically as a string. This means that it keeps track of the segment, section, flags, etc directly and asmprints them in the right format. This also includes parsing and validation support for llvm-mc and "attribute(section)", so we should now start getting errors about invalid section attributes from the compiler instead of the assembler on darwin. Still todo: 1) Uniquing of darwin mcsections 2) Move all the Darwin stuff out to MCSectionMachO.[cpp|h] 3) there are a few FIXMEs, for example what is the syntax to get the S_GB_ZEROFILL segment type? llvm-svn: 78547
2009-08-10 03:39:42 +02:00
; DARWIN: __TEXT,__cstring,cstring_literals
Add support emiting for 2/4 byte mergable strings to the ".rodata.str*" section on ELF targets. llvm-svn: 78066
2009-08-04 18:13:09 +02:00
; DARWIN: .globl _G7
; DARWIN: _G7:
; DARWIN: .asciz "abcdefghi"
Be nice to Xcore and the XMOS assembler and avoid quoting section names that contain only letters, digits and the characters "_" and ".". llvm-svn: 127028
2011-03-04 21:03:14 +01:00
; LINUX: .section .rodata.str1.1,"aMS",@progbits,1
Add support emiting for 2/4 byte mergable strings to the ".rodata.str*" section on ELF targets. llvm-svn: 78066
2009-08-04 18:13:09 +02:00
; LINUX: .globl G7
; LINUX: G7:
; LINUX: .asciz "abcdefghi"
Be nice to Xcore and the XMOS assembler and avoid quoting section names that contain only letters, digits and the characters "_" and ".". llvm-svn: 127028
2011-03-04 21:03:14 +01:00
; LINUX-SECTIONS: .section .rodata.G7,"aMS",@progbits,1
add llvm codegen support for -ffunction-sections and -fdata-sections, patch by Sylvere Teissier! llvm-svn: 101106
2010-04-13 02:36:43 +02:00
; LINUX-SECTIONS: .globl G7
Add support emiting for 2/4 byte mergable strings to the ".rodata.str*" section on ELF targets. llvm-svn: 78066
2009-08-04 18:13:09 +02:00
Update tests. llvm-svn: 123591
2011-01-16 19:02:57 +01:00
@G8 = unnamed_addr constant [4 x i16] [ i16 1, i16 2, i16 3, i16 0 ]
Add support emiting for 2/4 byte mergable strings to the ".rodata.str*" section on ELF targets. llvm-svn: 78066
2009-08-04 18:13:09 +02:00
Don't emit global symbols into the (__TEXT,__ustring) section on Darwin. This is a workaround for <rdar://problem/7672401/> (which I filed). This let's us build Wine on Darwin, and it gets the Qt build there a little bit further (so Doug says). llvm-svn: 97845
2010-03-05 23:28:45 +01:00
; DARWIN: .section __TEXT,__const
Add support emiting for 2/4 byte mergable strings to the ".rodata.str*" section on ELF targets. llvm-svn: 78066
2009-08-04 18:13:09 +02:00
; DARWIN: .globl _G8
; DARWIN: _G8:
Be nice to Xcore and the XMOS assembler and avoid quoting section names that contain only letters, digits and the characters "_" and ".". llvm-svn: 127028
2011-03-04 21:03:14 +01:00
; LINUX: .section .rodata.str2.2,"aMS",@progbits,2
Add support emiting for 2/4 byte mergable strings to the ".rodata.str*" section on ELF targets. llvm-svn: 78066
2009-08-04 18:13:09 +02:00
; LINUX: .globl G8
; LINUX:G8:
Update tests. llvm-svn: 123591
2011-01-16 19:02:57 +01:00
@G9 = unnamed_addr constant [4 x i32] [ i32 1, i32 2, i32 3, i32 0 ]
Add support emiting for 2/4 byte mergable strings to the ".rodata.str*" section on ELF targets. llvm-svn: 78066
2009-08-04 18:13:09 +02:00
; DARWIN: .globl _G9
; DARWIN: _G9:
Be nice to Xcore and the XMOS assembler and avoid quoting section names that contain only letters, digits and the characters "_" and ".". llvm-svn: 127028
2011-03-04 21:03:14 +01:00
; LINUX: .section .rodata.str4.4,"aMS",@progbits,4
Add support emiting for 2/4 byte mergable strings to the ".rodata.str*" section on ELF targets. llvm-svn: 78066
2009-08-04 18:13:09 +02:00
; LINUX: .globl G9
; LINUX:G9
fix a significant difference between llvm and gcc on ELF systems: GCC would put weak zero initialized mutable data in the .bss section, we would put it into a crasy '.gnu.linkonce.b.test,"aw",@nobits' section. Fixing this will allow simplifications next up. llvm-svn: 93844
2010-01-19 04:06:01 +01:00
@G10 = weak global [100 x i32] zeroinitializer, align 32 ; <[100 x i32]*> [#uses=0]
; DARWIN: .section __DATA,__datacoal_nt,coalesced
; DARWIN: .globl _G10
; DARWIN: .weak_definition _G10
; DARWIN: .align 5
; DARWIN: _G10:
; DARWIN: .space 400
; LINUX: .bss
; LINUX: .weak G10
; LINUX: .align 32
; LINUX: G10:
; LINUX: .zero 400
Add support emiting for 2/4 byte mergable strings to the ".rodata.str*" section on ELF targets. llvm-svn: 78066
2009-08-04 18:13:09 +02:00
round zero-byte .zerofill directives up to 1 byte. This should fix some "g++.dg-struct-layout-1" failures, rdar://7886017 llvm-svn: 102421
2010-04-27 09:41:44 +02:00
;; Zero sized objects should round up to 1 byte in zerofill directives.
; rdar://7886017
@G11 = global [0 x i32] zeroinitializer
@G12 = global {} zeroinitializer
@G13 = global { [0 x {}] } zeroinitializer
; DARWIN: .globl _G11
; DARWIN: .zerofill __DATA,__common,_G11,1,2
; DARWIN: .globl _G12
; DARWIN: .zerofill __DATA,__common,_G12,1,3
; DARWIN: .globl _G13
; DARWIN: .zerofill __DATA,__common,_G13,1,3
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