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89 Commits

Author SHA1 Message Date
Nate Begeman
0e92042770 Emit .set directives for jump table entries when possible, which reduces 
the number of relocations in object files, shrinkifying them.

llvm-svn: 29650
 2006-08-12 21:29:52 +00:00
Chris Lattner
557d3cacbe Instead of blindly looking past constantexpr casts, actually constant 
fold them.  This correctly truncates constants that are too large for the
destination slot and makes the code easier to understand.  This fixes PR853
and Regression/CodeGen/X86/2006-07-28-AsmPrint-Long-As-Pointer.ll

llvm-svn: 29408
 2006-07-29 01:57:19 +00:00
Chris Lattner
1e3a35a824 Print empty inline asms as a blank line instead of: 
# InlineAsm Start

        # InlineAsm End

llvm-svn: 29372
 2006-07-28 00:17:20 +00:00
Nate Begeman
952d922bf1 Code cleanups, per review 
llvm-svn: 29347
 2006-07-27 16:46:58 +00:00
Nate Begeman
3d5f5b4e8b Support jump tables when in PIC relocation model 
llvm-svn: 29318
 2006-07-27 01:13:04 +00:00
Chris Lattner
65c5f1b9e0 On 64-bit targets like ppc64, we should use .quad to output pointer directives, 
not .long.

llvm-svn: 29157
 2006-07-15 01:34:12 +00:00
Evan Cheng
6ec6e10b48 Add support to print 4-, 8-, and 16- byte constant literals in special 
sections. e.g. On Darwin that would be .literal4 and .literal8.

llvm-svn: 28977
 2006-06-29 00:26:09 +00:00
Jim Laskey
0dc7ed966c Was pointed out that structure alignment and type alignment are not the same 
thing.  Doubles still need to be special cased.

llvm-svn: 28806
 2006-06-15 19:37:14 +00:00
Jim Laskey
61655f779a Alignment of globals has not been quite right. Needed to drop the pointer type 
to get the alignment of the element type.

llvm-svn: 28799
 2006-06-15 13:10:58 +00:00
Evan Cheng
459add845e Assert. Rather than silently stop printing. 
llvm-svn: 28794
 2006-06-15 08:10:56 +00:00
Chris Lattner
8affee249a Fix an assert-on-inline-inline-asm bug. 
llvm-svn: 28727
 2006-06-08 18:00:47 +00:00
Chris Lattner
90527550c1 Remove dead var 
llvm-svn: 28250
 2006-05-12 17:50:35 +00:00
Owen Anderson
29e4d70aed Refactor a bunch of includes so that TargetMachine.h doesn't have to include 
TargetData.h.  This should make recompiles a bit faster with my current
TargetData tinkering.

llvm-svn: 28238
 2006-05-12 06:33:49 +00:00
Chris Lattner
486e0660b7 Fix a regression in my patch from last night that broke the llvmgcc4 build on 
ppc

llvm-svn: 28205
 2006-05-09 16:41:59 +00:00
Chris Lattner
b7152b0b42 Implement MASM sections correctly, without a "has masm sections flag" and a bunch of special case code. 
llvm-svn: 28194
 2006-05-09 05:33:48 +00:00
Chris Lattner
28fe830b3b Oh yeah, there are two of these now, unify both. 
llvm-svn: 28192
 2006-05-09 05:24:50 +00:00
Chris Lattner
d2aea9851e Setting SwitchToSectionDirective properly in the MASM backend permits a bunch 
of code to be unified.

llvm-svn: 28191
 2006-05-09 05:23:12 +00:00
Chris Lattner
830bed591e Don't prefix section directives with a tab. Doing so causes blank lines to 
be emitted to the .s file.

llvm-svn: 28189
 2006-05-09 05:19:59 +00:00
Chris Lattner
baefeb1e09 Make the masm codepath work like the normal code path. 
llvm-svn: 28188
 2006-05-09 05:15:58 +00:00
Chris Lattner
6ede576b55 The MASM asmprinter has been fixed, these hacks are no longer needed. 
llvm-svn: 28186
 2006-05-09 05:13:34 +00:00
Chris Lattner
f45b6d5c08 Split SwitchSection into SwitchTo{Text|Data}Section methods. 
llvm-svn: 28184
 2006-05-09 04:59:56 +00:00
Jeff Cohen
248e133255 Fix some loose ends in MASM support. 
llvm-svn: 28148
 2006-05-06 21:27:14 +00:00
Chris Lattner
06cb36074a Indent multiline asm strings more nicely 
llvm-svn: 28132
 2006-05-05 21:47:05 +00:00
Owen Anderson
71bc529dfa Refactor TargetMachine, pushing handling of TargetData into the target-specific subclasses. This has one caller-visible change: getTargetData() now returns a pointer instead of a reference. 
This fixes PR 759.

llvm-svn: 28074
 2006-05-03 01:29:57 +00:00
Nate Begeman
2a81b6be22 Print function number instead of name 
llvm-svn: 28057
 2006-05-02 17:36:46 +00:00
Nate Begeman
05174045df Extend printBasicBlockLabel a bit so that it can be used to print all 
basic block labels, consolidating the code to do so in one place for each
target.

llvm-svn: 28050
 2006-05-02 05:37:32 +00:00
Jeff Cohen
a35a8a5f9c De-virtualize SwitchSection. 
llvm-svn: 28047
 2006-05-02 03:58:45 +00:00
Jeff Cohen
b257253098 De-virtualize EmitZeroes. 
llvm-svn: 28046
 2006-05-02 03:46:13 +00:00
Jeff Cohen
ec0f5808a1 Make Intel syntax mode friendlier to Microsoft ML assembler (still needs more work). 
llvm-svn: 28044
 2006-05-02 01:16:28 +00:00
Chris Lattner
bce271e829 Format #APP lines a bit nicer 
llvm-svn: 28026
 2006-05-01 04:11:03 +00:00
Nate Begeman
7ed816f900 JumpTable support! What this represents is working asm and jit support for 
x86 and ppc for 100% dense switch statements when relocations are non-PIC.
This support will be extended and enhanced in the coming days to support
PIC, and less dense forms of jump tables.

llvm-svn: 27947
 2006-04-22 18:53:45 +00:00
Jim Laskey
91d5ce2531 Use "llvm.metadata" section for debug globals. Filter out these globals in the 
asm printer.

llvm-svn: 26599
 2006-03-07 22:00:35 +00:00
Evan Cheng
7d66f13ccf Move #include "llvm/CodeGen/AsmPrinter.h" to top since it's the interface. 
llvm-svn: 26493
 2006-03-03 02:04:29 +00:00
Evan Cheng
e99e63bfc8 Don't print llvm constant in assmebly file. Assembler won't like comments that 
span multiple lines.

llvm-svn: 26463
 2006-03-01 22:18:09 +00:00
Chris Lattner
e2b0023f4e Use the PrintAsmMemoryOperand to print addressing modes. 
llvm-svn: 26364
 2006-02-24 20:21:58 +00:00
Chris Lattner
22356863a0 Pass all the flags to the asm printer, not just the # operands. 
llvm-svn: 26362
 2006-02-24 19:50:58 +00:00
Chris Lattner
b4951fbe82 Record all of the expanded registers in the DAG and machine instr, fixing 
several bugs in inline asm expanded operands.

llvm-svn: 26332
 2006-02-23 19:21:04 +00:00
Chris Lattner
c81f375f21 Adjust to MachineConstantPool interface change: instead of keeping a 
value/alignment pair for each constant, keep a value/offset pair.

llvm-svn: 26078
 2006-02-09 04:46:04 +00:00
Chris Lattner
1111a4b76d rename fields of constant pool entries 
llvm-svn: 26076
 2006-02-09 04:22:52 +00:00
Chris Lattner
837a816470 Simplify code, alignment must be specified now. 
llvm-svn: 26074
 2006-02-09 02:26:04 +00:00
Chris Lattner
6556f15ad8 Add support for assembler directives that wrap inline asm 
llvm-svn: 26065
 2006-02-08 23:41:56 +00:00
Chris Lattner
35a536d1f4 Add support for modifier characters to operand printers 
llvm-svn: 26021
 2006-02-06 22:17:23 +00:00
Chris Lattner
4efafdb7f4 make sure that global doubles are aligned to 8 bytes 
llvm-svn: 25981
 2006-02-05 01:46:49 +00:00
Chris Lattner
d2c4e9151e Implement the AsmPrinter::getPreferredAlignmentLog method. 
llvm-svn: 25978
 2006-02-05 01:29:18 +00:00
Chris Lattner
41a35db65f Implement smart printing of inline asm strings, handling variants and 
substituted operands.  For this testcase:

int %test(int %A, int %B) {
  %C = call int asm "xyz $0, $1, $2", "=r,r,r"(int %A, int %B)
  ret int %C
}

we now emit:

_test:
        or r2, r3, r3
        or r3, r4, r4
        xyz r2, r2, r3  ;; look here
        or r3, r2, r2
        blr

... note the substituted operands. :)

llvm-svn: 25886
 2006-02-01 22:41:11 +00:00
Chris Lattner
5549a10792 adjust to changes in InlineAsm interface. Fix a few minor bugs. 
llvm-svn: 25865
 2006-02-01 01:28:23 +00:00
Evan Cheng
f115c17f23 Allow the specification of explicit alignments for constant pool entries. 
llvm-svn: 25855
 2006-01-31 22:23:14 +00:00
Chris Lattner
ce37ba3417 Print the most trivial inline asms. 
llvm-svn: 25822
 2006-01-30 23:00:08 +00:00
Chris Lattner
09d8aa244e Stub out a method 
llvm-svn: 25676
 2006-01-27 02:10:10 +00:00
Jim Laskey
583aae3110 Set up MachineDebugInfo to scan for debug information form "llvm.db"g globals. 
Global Variable information is now pulled from "llvm.dbg.globals"

llvm-svn: 25655
 2006-01-26 20:21:46 +00:00