Nick Lewycky [Mon, 9 Oct 2006 18:33:08 +0000 (18:33 +0000)]
Fix usage example.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30837
91177308-0d34-0410-b5e6-
96231b3b80d8
Rafael Espindola [Mon, 9 Oct 2006 17:50:29 +0000 (17:50 +0000)]
add float -> double and double -> float conversion
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30835
91177308-0d34-0410-b5e6-
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Reid Spencer [Mon, 9 Oct 2006 17:36:59 +0000 (17:36 +0000)]
Fix PR886:
The result of yyparse() was not being checked. When YYERROR or YYABORT is
called it causes yyparse() to return 1 to indicate the error. The code was
silently ignoring this situation because it previously expected either an
exception or a null ParserResult to indicate an error. The patch corrects
this situation.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30834
91177308-0d34-0410-b5e6-
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Chris Lattner [Mon, 9 Oct 2006 17:34:40 +0000 (17:34 +0000)]
xfail this until andrew has a chance to implement the alpha TM method.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30833
91177308-0d34-0410-b5e6-
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Rafael Espindola [Mon, 9 Oct 2006 17:30:15 +0000 (17:30 +0000)]
add a test for adds adcs
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30832
91177308-0d34-0410-b5e6-
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Chris Lattner [Mon, 9 Oct 2006 17:28:13 +0000 (17:28 +0000)]
Fix a bug pointed out by Zhongxing Xu
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30831
91177308-0d34-0410-b5e6-
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Rafael Espindola [Mon, 9 Oct 2006 17:18:28 +0000 (17:18 +0000)]
add ADDS and ADCS
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30830
91177308-0d34-0410-b5e6-
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Rafael Espindola [Mon, 9 Oct 2006 16:28:33 +0000 (16:28 +0000)]
expand ISD::SELECT
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30829
91177308-0d34-0410-b5e6-
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Rafael Espindola [Mon, 9 Oct 2006 14:18:33 +0000 (14:18 +0000)]
add a note
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30828
91177308-0d34-0410-b5e6-
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Rafael Espindola [Mon, 9 Oct 2006 14:13:40 +0000 (14:13 +0000)]
expand ISD::EXTLOAD
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30827
91177308-0d34-0410-b5e6-
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Rafael Espindola [Mon, 9 Oct 2006 14:12:15 +0000 (14:12 +0000)]
most ARM targets are little endian
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30826
91177308-0d34-0410-b5e6-
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Chris Lattner [Sun, 8 Oct 2006 23:53:04 +0000 (23:53 +0000)]
Implement SROA of unions with mixed pointers/integers in them. This implements
PR892 and Transforms/ScalarRepl/union-pointer.ll:test2
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30825
91177308-0d34-0410-b5e6-
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Chris Lattner [Sun, 8 Oct 2006 23:52:06 +0000 (23:52 +0000)]
new testcase for PR892
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30824
91177308-0d34-0410-b5e6-
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Chris Lattner [Sun, 8 Oct 2006 23:28:04 +0000 (23:28 +0000)]
Implement Transforms/ScalarRepl/union-pointer.ll:test
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30823
91177308-0d34-0410-b5e6-
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Chris Lattner [Sun, 8 Oct 2006 23:27:37 +0000 (23:27 +0000)]
new testcase for SROA for stuff like "union { int*, float* }".
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30822
91177308-0d34-0410-b5e6-
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Chris Lattner [Sun, 8 Oct 2006 22:57:01 +0000 (22:57 +0000)]
Eliminate more token factors by taking advantage of transitivity:
if TF depends on A and B, and A depends on B, TF just needs to depend on
A. With Jim's alias-analysis stuff enabled, this compiles the testcase in
PR892 into:
__Z4test3Val:
subl $44, %esp
call L__Z3foov$stub
movl %edx, 28(%esp)
movl %eax, 32(%esp)
movl %eax, 24(%esp)
movl %edx, 36(%esp)
movl 52(%esp), %ecx
movl %ecx, 4(%esp)
movl %eax, 8(%esp)
movl %edx, 12(%esp)
movl 48(%esp), %eax
movl %eax, (%esp)
call L__Z3bar3ValS_$stub
addl $44, %esp
ret
instead of:
__Z4test3Val:
subl $44, %esp
call L__Z3foov$stub
movl %eax, 24(%esp)
movl %edx, 28(%esp)
movl 24(%esp), %eax
movl %eax, 32(%esp)
movl 28(%esp), %eax
movl %eax, 36(%esp)
movl 32(%esp), %eax
movl 36(%esp), %ecx
movl 52(%esp), %edx
movl %edx, 4(%esp)
movl %eax, 8(%esp)
movl %ecx, 12(%esp)
movl 48(%esp), %eax
movl %eax, (%esp)
call L__Z3bar3ValS_$stub
addl $44, %esp
ret
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30821
91177308-0d34-0410-b5e6-
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Chris Lattner [Sun, 8 Oct 2006 22:28:34 +0000 (22:28 +0000)]
Fix PR897
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30820
91177308-0d34-0410-b5e6-
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Jim Laskey [Sat, 7 Oct 2006 23:37:56 +0000 (23:37 +0000)]
Combiner alias analysis passes Multisource (release-asserts.)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30818
91177308-0d34-0410-b5e6-
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Chris Lattner [Sat, 7 Oct 2006 21:55:32 +0000 (21:55 +0000)]
completely disable folding of loads into scalar sse instructions and provide
a framework for doing it right. This fixes
CodeGen/X86/2006-10-07-ScalarSSEMiscompile.ll.
Once X86DAGToDAGISel::SelectScalarSSELoad is implemented right, this task
will be done.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30817
91177308-0d34-0410-b5e6-
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Chris Lattner [Sat, 7 Oct 2006 21:54:08 +0000 (21:54 +0000)]
new testcase we miscompile
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30816
91177308-0d34-0410-b5e6-
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Chris Lattner [Sat, 7 Oct 2006 21:17:13 +0000 (21:17 +0000)]
convert packed FP add/sub/mul/div to use a multiclass.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30815
91177308-0d34-0410-b5e6-
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Chris Lattner [Sat, 7 Oct 2006 20:55:57 +0000 (20:55 +0000)]
one multiclass now defines all 8 variants of binary-scalar-sse-fp operations.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30814
91177308-0d34-0410-b5e6-
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Chris Lattner [Sat, 7 Oct 2006 20:35:44 +0000 (20:35 +0000)]
Switch ADD/MUL/DIV/SUB scalarsse fp ops to a multiclass
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30813
91177308-0d34-0410-b5e6-
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Chris Lattner [Sat, 7 Oct 2006 19:49:05 +0000 (19:49 +0000)]
Random acts of shrinkage
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30812
91177308-0d34-0410-b5e6-
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Chris Lattner [Sat, 7 Oct 2006 19:37:30 +0000 (19:37 +0000)]
Convert pand/por/pxor to use multiclass
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30811
91177308-0d34-0410-b5e6-
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Chris Lattner [Sat, 7 Oct 2006 19:34:33 +0000 (19:34 +0000)]
Convert some more instructions over to use a new multiclass.
Fix a bug where the asmstring for PSUBQrm was wrong.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30810
91177308-0d34-0410-b5e6-
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Chris Lattner [Sat, 7 Oct 2006 19:15:46 +0000 (19:15 +0000)]
Fix a bug where PADDQrm printed paddd instead of paddq.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30809
91177308-0d34-0410-b5e6-
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Chris Lattner [Sat, 7 Oct 2006 19:14:49 +0000 (19:14 +0000)]
Add multiclass for SSE2 instructions that correspond to simple binops.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30808
91177308-0d34-0410-b5e6-
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Chris Lattner [Sat, 7 Oct 2006 19:02:31 +0000 (19:02 +0000)]
rename:
PDI_binop_rm -> PDI_binop_rm_int
PDI_binop_rmi -> PDI_binop_rmi_int
to make it clear that these are for use with intrinsics.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30807
91177308-0d34-0410-b5e6-
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Chris Lattner [Sat, 7 Oct 2006 18:48:46 +0000 (18:48 +0000)]
Convert saturating PADD/PSUB's to use a multiclass
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30806
91177308-0d34-0410-b5e6-
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Chris Lattner [Sat, 7 Oct 2006 18:39:00 +0000 (18:39 +0000)]
Convert PAVG*, PMADDWD, and PMUL* to use multiclasses.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30805
91177308-0d34-0410-b5e6-
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Chris Lattner [Sat, 7 Oct 2006 18:23:58 +0000 (18:23 +0000)]
Fix typo in packsswb instr definition, where the load had the wrong type.
This allows us to use the multiclass for other packs.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30804
91177308-0d34-0410-b5e6-
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Rafael Espindola [Sat, 7 Oct 2006 14:24:52 +0000 (14:24 +0000)]
implement FUITOS and FUITOD
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30803
91177308-0d34-0410-b5e6-
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Rafael Espindola [Sat, 7 Oct 2006 14:03:39 +0000 (14:03 +0000)]
implement FLDD
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30802
91177308-0d34-0410-b5e6-
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Rafael Espindola [Sat, 7 Oct 2006 13:46:42 +0000 (13:46 +0000)]
implement fadds, faddd, fmuls and fmuld
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30801
91177308-0d34-0410-b5e6-
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Chris Lattner [Sat, 7 Oct 2006 07:49:33 +0000 (07:49 +0000)]
handle pmin/pmax with multiclasses
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30800
91177308-0d34-0410-b5e6-
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Chris Lattner [Sat, 7 Oct 2006 07:15:19 +0000 (07:15 +0000)]
regenerate
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30799
91177308-0d34-0410-b5e6-
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Chris Lattner [Sat, 7 Oct 2006 07:14:48 +0000 (07:14 +0000)]
Bugfix: this allows multiclasses to have default arguments.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30798
91177308-0d34-0410-b5e6-
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Chris Lattner [Sat, 7 Oct 2006 07:06:17 +0000 (07:06 +0000)]
simplify pack and shift intrinsics with multiclasses
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30797
91177308-0d34-0410-b5e6-
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Chris Lattner [Sat, 7 Oct 2006 06:47:08 +0000 (06:47 +0000)]
Use a multiclass to simplify 'SSE2 Integer comparison'
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30796
91177308-0d34-0410-b5e6-
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Chris Lattner [Sat, 7 Oct 2006 06:33:36 +0000 (06:33 +0000)]
move class defns close to uses to make it easier to read
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30795
91177308-0d34-0410-b5e6-
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Chris Lattner [Sat, 7 Oct 2006 06:31:41 +0000 (06:31 +0000)]
simplify horizontal op definitions
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30794
91177308-0d34-0410-b5e6-
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Chris Lattner [Sat, 7 Oct 2006 06:27:03 +0000 (06:27 +0000)]
remove more unneeded type info
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30793
91177308-0d34-0410-b5e6-
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Chris Lattner [Sat, 7 Oct 2006 06:19:41 +0000 (06:19 +0000)]
remove unneeded definitions and type info
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30792
91177308-0d34-0410-b5e6-
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Chris Lattner [Sat, 7 Oct 2006 06:17:43 +0000 (06:17 +0000)]
remove some unneeded type info
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30791
91177308-0d34-0410-b5e6-
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Chris Lattner [Sat, 7 Oct 2006 05:50:25 +0000 (05:50 +0000)]
simplify patterns by merging in operand info
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30790
91177308-0d34-0410-b5e6-
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Chris Lattner [Sat, 7 Oct 2006 05:47:20 +0000 (05:47 +0000)]
Factor operands into packed unary classes
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30789
91177308-0d34-0410-b5e6-
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Chris Lattner [Sat, 7 Oct 2006 05:41:52 +0000 (05:41 +0000)]
remove dead/duplicate instructions
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30788
91177308-0d34-0410-b5e6-
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Chris Lattner [Sat, 7 Oct 2006 05:26:13 +0000 (05:26 +0000)]
Pull operand info up into parent class for scalar sse intrinsics.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30787
91177308-0d34-0410-b5e6-
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Chris Lattner [Sat, 7 Oct 2006 05:19:31 +0000 (05:19 +0000)]
convert the sole sd unary intrinsic to a multiclass for consistency
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30786
91177308-0d34-0410-b5e6-
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Chris Lattner [Sat, 7 Oct 2006 05:13:26 +0000 (05:13 +0000)]
pull operand string into the multiclass
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30785
91177308-0d34-0410-b5e6-
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Chris Lattner [Sat, 7 Oct 2006 05:09:48 +0000 (05:09 +0000)]
Remove RSQRTSS[rm] RCPSS[rm], which are dead.
Introduce SS_IntUnary, a multiclass to replace SS_Int[rm].
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30784
91177308-0d34-0410-b5e6-
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Chris Lattner [Sat, 7 Oct 2006 04:52:09 +0000 (04:52 +0000)]
eliminate redundancy
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30783
91177308-0d34-0410-b5e6-
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Chris Lattner [Sat, 7 Oct 2006 00:58:36 +0000 (00:58 +0000)]
Fix a bug legalizing zero-extending i64 loads into 32-bit loads. The bottom
part was always forced to be sextload, even when we needed an zextload.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30782
91177308-0d34-0410-b5e6-
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Chris Lattner [Fri, 6 Oct 2006 22:52:33 +0000 (22:52 +0000)]
Set the jt section
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30781
91177308-0d34-0410-b5e6-
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Chris Lattner [Fri, 6 Oct 2006 22:52:08 +0000 (22:52 +0000)]
initialize ivar
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30780
91177308-0d34-0410-b5e6-
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Chris Lattner [Fri, 6 Oct 2006 22:50:56 +0000 (22:50 +0000)]
If a target uses a GOT, put it in the jt data section, not the text
section. This will fix alpha when Andrew implements
AlphaTargetMachine::getTargetLowering().
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30779
91177308-0d34-0410-b5e6-
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Chris Lattner [Fri, 6 Oct 2006 22:46:51 +0000 (22:46 +0000)]
Alpha uses a got
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30778
91177308-0d34-0410-b5e6-
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Chris Lattner [Fri, 6 Oct 2006 22:46:34 +0000 (22:46 +0000)]
Add support for targets to declare that they use a GOT
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30777
91177308-0d34-0410-b5e6-
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Chris Lattner [Fri, 6 Oct 2006 22:32:29 +0000 (22:32 +0000)]
jump tables handle pic
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30776
91177308-0d34-0410-b5e6-
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Chris Lattner [Fri, 6 Oct 2006 21:28:17 +0000 (21:28 +0000)]
print labels even if a MBB doesn't have a corresponding LLVM BB, just don't
print the LLVM BB label.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30775
91177308-0d34-0410-b5e6-
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Rafael Espindola [Fri, 6 Oct 2006 20:33:26 +0000 (20:33 +0000)]
add optional input flag to FMRRD
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30774
91177308-0d34-0410-b5e6-
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Rafael Espindola [Fri, 6 Oct 2006 19:10:05 +0000 (19:10 +0000)]
add support for calling functions that return double
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30771
91177308-0d34-0410-b5e6-
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Evan Cheng [Fri, 6 Oct 2006 18:57:51 +0000 (18:57 +0000)]
80 col violation.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30770
91177308-0d34-0410-b5e6-
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Chris Lattner [Fri, 6 Oct 2006 17:39:34 +0000 (17:39 +0000)]
ugly codegen
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30769
91177308-0d34-0410-b5e6-
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Chris Lattner [Fri, 6 Oct 2006 17:34:12 +0000 (17:34 +0000)]
Fix a miscompilation of:
long long foo(long long X) {
return (long long)(signed char)(int)X;
}
Instead of:
_foo:
extsb r2, r4
srawi r3, r4, 31
mr r4, r2
blr
we now produce:
_foo:
extsb r4, r4
srawi r3, r4, 31
blr
This fixes a miscompilation in ConstantFolding.cpp.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30768
91177308-0d34-0410-b5e6-
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Rafael Espindola [Fri, 6 Oct 2006 17:26:30 +0000 (17:26 +0000)]
fix some bugs affecting functions with no arguments
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30767
91177308-0d34-0410-b5e6-
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Rafael Espindola [Fri, 6 Oct 2006 14:29:47 +0000 (14:29 +0000)]
fix the stack alignment
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30766
91177308-0d34-0410-b5e6-
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Rafael Espindola [Fri, 6 Oct 2006 12:50:22 +0000 (12:50 +0000)]
add support for calling functions that have double arguments
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30765
91177308-0d34-0410-b5e6-
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Evan Cheng [Fri, 6 Oct 2006 09:17:41 +0000 (09:17 +0000)]
Still need to support -mcpu=<> or cross compilation will fail. Doh.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30764
91177308-0d34-0410-b5e6-
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Evan Cheng [Fri, 6 Oct 2006 08:21:07 +0000 (08:21 +0000)]
Do away with CPU feature list. Just use CPUID to detect MMX, SSE, SSE2, SSE3, and 64-bit support.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30763
91177308-0d34-0410-b5e6-
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Evan Cheng [Fri, 6 Oct 2006 07:50:56 +0000 (07:50 +0000)]
It appears the inline asm in GetCpuIDAndInfo() may clobbers some registers if it isn't inlined (at < -O3). Force it to be inlined.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30762
91177308-0d34-0410-b5e6-
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Chris Lattner [Fri, 6 Oct 2006 01:16:29 +0000 (01:16 +0000)]
add an accessor
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30761
91177308-0d34-0410-b5e6-
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Chris Lattner [Fri, 6 Oct 2006 01:12:44 +0000 (01:12 +0000)]
MachineBasicBlock::splice was incorrectly updating parent pointers on
instructions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30760
91177308-0d34-0410-b5e6-
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Evan Cheng [Thu, 5 Oct 2006 23:01:46 +0000 (23:01 +0000)]
Make use of getStore().
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30759
91177308-0d34-0410-b5e6-
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Evan Cheng [Thu, 5 Oct 2006 22:57:11 +0000 (22:57 +0000)]
Add getStore() helper function to create ISD::STORE nodes.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30758
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Chris Lattner [Thu, 5 Oct 2006 21:40:14 +0000 (21:40 +0000)]
Don't crash if an MBB doesn't have an LLVM BB
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30757
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Rafael Espindola [Thu, 5 Oct 2006 17:46:48 +0000 (17:46 +0000)]
use a const ref for passing the vector to ArgumentLayout
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30756
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Rafael Espindola [Thu, 5 Oct 2006 16:48:49 +0000 (16:48 +0000)]
implement a ArgumentLayout class to factor code common to LowerFORMAL_ARGUMENTS and LowerCALL
implement FMDRR
add support for f64 function arguments
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30754
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Jim Laskey [Thu, 5 Oct 2006 15:07:25 +0000 (15:07 +0000)]
Alias analysis code clean ups.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30753
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Chris Lattner [Thu, 5 Oct 2006 06:55:50 +0000 (06:55 +0000)]
add a new SimplifyDemandedVectorElts method, which works similarly to
SimplifyDemandedBits. The idea is that some operations can be simplified if
not all of the computed elements are needed. Some targets (like x86) have a
large number of intrinsics that operate on a single element, but pass other
elts through unmodified. If those other elements are not needed, the
intrinsics can be simplified to scalar operations, and insertelement ops can
be removed.
This turns (f.e.):
ushort %Convert_sse(float %f) {
%tmp = insertelement <4 x float> undef, float %f, uint 0 ; <<4 x float>> [#uses=1]
%tmp10 = insertelement <4 x float> %tmp, float 0.
000000e+00, uint 1 ; <<4 x float>> [#uses=1]
%tmp11 = insertelement <4 x float> %tmp10, float 0.
000000e+00, uint 2 ; <<4 x float>> [#uses=1]
%tmp12 = insertelement <4 x float> %tmp11, float 0.
000000e+00, uint 3 ; <<4 x float>> [#uses=1]
%tmp28 = tail call <4 x float> %llvm.x86.sse.sub.ss( <4 x float> %tmp12, <4 x float> < float 1.
000000e+00, float 0.
000000e+00, float 0.
000000e+00, float 0.
000000e+00 > ) ; <<4 x float>> [#uses=1]
%tmp37 = tail call <4 x float> %llvm.x86.sse.mul.ss( <4 x float> %tmp28, <4 x float> < float 5.
000000e-01, float 0.
000000e+00, float 0.
000000e+00, float 0.
000000e+00 > ) ; <<4 x float>> [#uses=1]
%tmp48 = tail call <4 x float> %llvm.x86.sse.min.ss( <4 x float> %tmp37, <4 x float> < float 6.
553500e+04, float 0.
000000e+00, float 0.
000000e+00, float 0.
000000e+00 > ) ; <<4 x float>> [#uses=1]
%tmp59 = tail call <4 x float> %llvm.x86.sse.max.ss( <4 x float> %tmp48, <4 x float> zeroinitializer ) ; <<4 x float>> [#uses=1]
%tmp = tail call int %llvm.x86.sse.cvttss2si( <4 x float> %tmp59 ) ; <int> [#uses=1]
%tmp69 = cast int %tmp to ushort ; <ushort> [#uses=1]
ret ushort %tmp69
}
into:
ushort %Convert_sse(float %f) {
entry:
%tmp28 = sub float %f, 1.
000000e+00 ; <float> [#uses=1]
%tmp37 = mul float %tmp28, 5.
000000e-01 ; <float> [#uses=1]
%tmp375 = insertelement <4 x float> undef, float %tmp37, uint 0 ; <<4 x float>> [#uses=1]
%tmp48 = tail call <4 x float> %llvm.x86.sse.min.ss( <4 x float> %tmp375, <4 x float> < float 6.
553500e+04, float undef, float undef, float undef > ) ; <<4 x float>> [#uses=1]
%tmp59 = tail call <4 x float> %llvm.x86.sse.max.ss( <4 x float> %tmp48, <4 x float> < float 0.
000000e+00, float undef, float undef, float undef > ) ; <<4 x float>> [#uses=1]
%tmp = tail call int %llvm.x86.sse.cvttss2si( <4 x float> %tmp59 ) ; <int> [#uses=1]
%tmp69 = cast int %tmp to ushort ; <ushort> [#uses=1]
ret ushort %tmp69
}
which improves codegen from:
_Convert_sse:
movss LCPI1_0, %xmm0
movss 4(%esp), %xmm1
subss %xmm0, %xmm1
movss LCPI1_1, %xmm0
mulss %xmm0, %xmm1
movss LCPI1_2, %xmm0
minss %xmm0, %xmm1
xorps %xmm0, %xmm0
maxss %xmm0, %xmm1
cvttss2si %xmm1, %eax
andl $65535, %eax
ret
to:
_Convert_sse:
movss 4(%esp), %xmm0
subss LCPI1_0, %xmm0
mulss LCPI1_1, %xmm0
movss LCPI1_2, %xmm1
minss %xmm1, %xmm0
xorps %xmm1, %xmm1
maxss %xmm1, %xmm0
cvttss2si %xmm0, %eax
andl $65535, %eax
ret
This is just a first step, it can be extended in many ways. Testcase here:
Transforms/InstCombine/vec_demanded_elts.ll
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30752
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Chris Lattner [Thu, 5 Oct 2006 06:51:54 +0000 (06:51 +0000)]
new testcase
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30751
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Chris Lattner [Thu, 5 Oct 2006 06:24:58 +0000 (06:24 +0000)]
Add insertelement/extractelement helper ctors.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30750
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Chris Lattner [Thu, 5 Oct 2006 04:11:26 +0000 (04:11 +0000)]
Lower some min/max idioms to minss/maxss when unsafe fp math is enabled.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30748
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Andrew Lenharth [Thu, 5 Oct 2006 03:27:52 +0000 (03:27 +0000)]
Check that jump tables wind up in the rodata section
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30747
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Chris Lattner [Thu, 5 Oct 2006 03:14:23 +0000 (03:14 +0000)]
remove JumpTableTextSection
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30746
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Chris Lattner [Thu, 5 Oct 2006 03:13:59 +0000 (03:13 +0000)]
Don't bother setting JumpTableTextSection, it is about to disappear
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30745
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Chris Lattner [Thu, 5 Oct 2006 03:13:28 +0000 (03:13 +0000)]
Emit pic jumptables to the same section that the function is emitted to,
allowing label differences to work. This fixes CodeGen/X86/pic_jumptable.ll
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30744
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Chris Lattner [Thu, 5 Oct 2006 03:12:36 +0000 (03:12 +0000)]
Verify that jump tables are emitted to the same section as the function is,
when codegen'ing in pic mode. This fixes a miscompilation of a switch stmt
in a template, as the template goes to a non-.text section.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30743
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Chris Lattner [Thu, 5 Oct 2006 03:01:21 +0000 (03:01 +0000)]
Pass the MachineFunction into EmitJumpTableInfo.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30742
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Chris Lattner [Thu, 5 Oct 2006 02:51:36 +0000 (02:51 +0000)]
implement and use getSectionForFunction
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30741
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Chris Lattner [Thu, 5 Oct 2006 02:49:23 +0000 (02:49 +0000)]
Use getSectionForFunction.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30740
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Chris Lattner [Thu, 5 Oct 2006 02:48:40 +0000 (02:48 +0000)]
Use getSectionForFunction
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30739
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Chris Lattner [Thu, 5 Oct 2006 02:47:13 +0000 (02:47 +0000)]
use getSectionForFunction to decide which section to emit code into
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30738
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Chris Lattner [Thu, 5 Oct 2006 02:43:52 +0000 (02:43 +0000)]
Implement getSectionForFunction, use it when printing function body.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30737
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Chris Lattner [Thu, 5 Oct 2006 02:42:47 +0000 (02:42 +0000)]
move getSectionForFunction to AsmPrinter
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30736
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Chris Lattner [Thu, 5 Oct 2006 02:42:20 +0000 (02:42 +0000)]
Move getSectionForFunction to AsmPrinter, change it to return a string.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30735
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Chris Lattner [Thu, 5 Oct 2006 02:41:43 +0000 (02:41 +0000)]
move getSectionForFunction to AsmPrinter.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30734
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Chris Lattner [Thu, 5 Oct 2006 00:35:50 +0000 (00:35 +0000)]
implement DarwinTargetAsmInfo::getSectionForFunction, use it when outputting
function bodies
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30733
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Chris Lattner [Thu, 5 Oct 2006 00:35:16 +0000 (00:35 +0000)]
Give TargetAsmInfo a virtual dtor, add a new getSectionForFunction method.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30732
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