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539 Commits

Author SHA1 Message Date
Evan Cheng
548f611bae Expand (f64 extload f32) to (f64 fp_ext (load f32)) if f64 type action is expand. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32527 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-12-13 03:19:57 +00:00
Evan Cheng
98ff3b979a Expand fsqrt, fsin, and fcos to libcalls. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32526 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-12-13 02:38:13 +00:00
Evan Cheng
6af00d588c Expand f32 / f64 to i32 / i64 conversion to soft-fp library calls. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32523 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-12-13 01:57:55 +00:00
Evan Cheng
279101eb1a Expand FP constant to integers if FP types are not legal. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32497 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-12-12 22:19:28 +00:00
Evan Cheng
5c9ce1893a Soft fp FNEG, SINT_TO_FP, UINT_TO_FP libcall expansion. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32495 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-12-12 21:51:17 +00:00
Evan Cheng
004952140f Expand ConstantFP to load from CP if float types are being expanded. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32494 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-12-12 21:32:44 +00:00
Evan Cheng
7b2b5c846c - When expanding a bit_convert whose src operand is also to be expanded and 
its expansion result type is equal to the result type of the bit_convert,
e.g. (i64 bit_convert (f64 op)) if FP is not legal
returns the result of the expanded source operand.
- Store f32 / f64 may be expanded to a single store i32/i64.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32490 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-12-12 19:53:13 +00:00
Chris Lattner
f0094839f0 fit in 80 cols 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32474 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-12-12 05:22:21 +00:00
Chris Lattner
d9e06a5d03 this can only be fptrunc. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32473 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-12-12 05:21:51 +00:00
Chris Lattner
d93d46ee7e Revert Nate's patch to fix X86/store-fp-constant.ll. With the dag combiner 
and legalizer separated like they currently are, I don't see a way to handle
this xform.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32466 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-12-12 04:18:56 +00:00
Reid Spencer
15f46d6c28 Change inferred cast creation calls to more specific cast creations. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32460 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-12-12 01:17:41 +00:00
Evan Cheng
13acce3ef0 Re-apply changes that were backed out and fix a naughty typo. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32442 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-12-11 19:27:14 +00:00
Chris Lattner
70a24b3141 Revert changes that broke oggenc on ppc 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32440 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-12-11 18:53:38 +00:00
Evan Cheng
bbf1e5e2e9 f32 / f64 node is expanded to one i32 / i64 node. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32433 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-12-11 06:50:04 +00:00
Evan Cheng
b618230231 Clean up some bad code. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32432 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-12-11 06:25:26 +00:00
Nate Begeman
2cbba89347 Move something that should be in the dag combiner from the legalizer to the 
dag combiner.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32431 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-12-11 02:23:46 +00:00
Evan Cheng
1a8f1fe676 Preliminary soft float support. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32394 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-12-09 02:42:38 +00:00
Bill Wendling
832171cb97 Removing even more <iostream> includes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32320 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-12-07 20:04:42 +00:00
Evan Cheng
6a16c5ab2d Avoid inifinite looping if READCYCLECOUNTER isn't custom lowered. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32022 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-29 19:13:47 +00:00
Evan Cheng
f0b3ba6752 Allow target to custom lower READCYCLECOUNTER (when it doesn't have to be expanded). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32016 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-29 08:26:18 +00:00
Chris Lattner
b6c806045b Fix PR1016 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31950 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-28 01:03:30 +00:00
Chris Lattner
f9908172e9 If a brcond condition is promoted, make sure to zero extend it, even if not 
expanded into BR_CC.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31932 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-27 04:39:56 +00:00
Chris Lattner
fa9aa2b424 Fix PR988 and CodeGen/Generic/2006-11-06-MemIntrinsicExpand.ll. 
The low part goes in the first operand of expandop, not the second one.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31487 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-07 04:11:44 +00:00
Reid Spencer
3ed469ccd7 For PR786: 
Turn on -Wunused and -Wno-unused-parameter. Clean up most of the resulting
fall out by removing unused variables. Remaining warnings have to do with
unused functions (I didn't want to delete code without review) and unused
variables in generated code. Maintainers should clean up the remaining
issues when they see them. All changes pass DejaGnu tests and Olden.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31380 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-02 20:25:50 +00:00
Evan Cheng
d063189c09 Fix a typo which can break jumptables. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31305 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-31 02:31:00 +00:00
Evan Cheng
3d4ce11085 Lower jumptable to BR_JT. The legalizer can lower it to a BRIND or let the target custom lower it. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31293 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-30 08:00:44 +00:00
Reid Spencer
b83eb6447b For PR950: 
This patch implements the first increment for the Signless Types feature.
All changes pertain to removing the ConstantSInt and ConstantUInt classes
in favor of just using ConstantInt.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31063 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-20 07:07:24 +00:00
Evan Cheng
8b2794aeff Merge ISD::TRUNCSTORE to ISD::STORE. Switch to using StoreSDNode. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30945 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-13 21:14:26 +00:00
Jim Laskey
2d84c4c7b3 Typo 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30884 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-11 17:52:19 +00:00
Evan Cheng
2e49f090f9 Naming consistency. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30878 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-11 07:10:22 +00:00
Andrew Lenharth
82c3d8f81a Jimptables working again on alpha. 
As a bonus, use the GOT node instead of the AlphaISD::GOT for internal stuff.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30873 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-11 04:29:42 +00:00
Chris Lattner
55b5708b6b Fix another bug in extload promotion. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30857 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-10 18:54:19 +00:00
Evan Cheng
62f2a3c7aa Fix a bug introduced by my LOAD/LOADX changes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30853 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-10 07:51:21 +00:00
Evan Cheng
466685d41a Reflects ISD::LOAD / ISD::LOADX / LoadSDNode changes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30844 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-09 20:57:25 +00:00
Chris Lattner
ed83a7019b 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-b5e6-96231b3b80d8
 2006-10-07 00:58:36 +00:00
Chris Lattner
4bdd2753db 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-b5e6-96231b3b80d8
 2006-10-06 17:34:12 +00:00
Evan Cheng
786225adf0 Make use of getStore(). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30759 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-05 23:01:46 +00:00
Evan Cheng
c548428c5d Combine ISD::EXTLOAD, ISD::SEXTLOAD, ISD::ZEXTLOAD into ISD::LOADX. Add an 
extra operand to LOADX to specify the exact value extension type.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30714 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-04 00:56:09 +00:00
Evan Cheng
bf497a3a68 Fix an obvious typo. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30711 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-03 23:08:27 +00:00
Andrew Lenharth
beec30eaf3 Add support for other relocation bases to jump tables, as well as custom asm directives 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30593 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-24 19:45:58 +00:00
Chris Lattner
0ea26ca45b Expand 64-bit shifts more optimally if we know that the high bit of the 
shift amount is one or zero.  For example, for:

long long foo1(long long X, int C) {
  return X << (C|32);
}

long long foo2(long long X, int C) {
  return X << (C&~32);
}

we get:

_foo1:
        movb $31, %cl
        movl 4(%esp), %edx
        andb 12(%esp), %cl
        shll %cl, %edx
        xorl %eax, %eax
        ret
_foo2:
        movb $223, %cl
        movl 4(%esp), %eax
        movl 8(%esp), %edx
        andb 12(%esp), %cl
        shldl %cl, %eax, %edx
        shll %cl, %eax
        ret

instead of:

_foo1:
        subl $4, %esp
        movl %ebx, (%esp)
        movb $32, %bl
        movl 8(%esp), %eax
        movl 12(%esp), %edx
        movb %bl, %cl
        orb 16(%esp), %cl
        shldl %cl, %eax, %edx
        shll %cl, %eax
        xorl %ecx, %ecx
        testb %bl, %bl
        cmovne %eax, %edx
        cmovne %ecx, %eax
        movl (%esp), %ebx
        addl $4, %esp
        ret
_foo2:
        subl $4, %esp
        movl %ebx, (%esp)
        movb $223, %cl
        movl 8(%esp), %eax
        movl 12(%esp), %edx
        andb 16(%esp), %cl
        shldl %cl, %eax, %edx
        shll %cl, %eax
        xorl %ecx, %ecx
        xorb %bl, %bl
        testb %bl, %bl
        cmovne %eax, %edx
        cmovne %ecx, %eax
        movl (%esp), %ebx
        addl $4, %esp
        ret


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30506 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-20 03:38:48 +00:00
Evan Cheng
6b5578f052 Fix a typo. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30474 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-18 23:28:33 +00:00
Evan Cheng
52cc1ea2a1 Allow i32 UDIV, SDIV, UREM, SREM to be expanded into libcalls. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30470 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-18 21:49:04 +00:00
Chris Lattner
8829dc88a8 Oh yeah, this is needed too 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30407 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-16 05:08:34 +00:00
Chris Lattner
a89654b1a1 simplify control flow, no functionality change 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30403 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-16 00:21:44 +00:00
Chris Lattner
7d7bffe157 Allow custom expand of mul 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30402 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-16 00:09:24 +00:00
Chris Lattner
79980b07da Compile X << 1 (where X is a long-long) to: 
addl %ecx, %ecx
        adcl %eax, %eax

instead of:

        movl %ecx, %edx
        addl %edx, %edx
        shrl $31, %ecx
        addl %eax, %eax
        orl %ecx, %eax

and to:

        addc r5, r5, r5
        adde r4, r4, r4

instead of:

        slwi r2,r9,1
        srwi r0,r11,31
        slwi r3,r11,1
        or r2,r0,r2

on PPC.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30284 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-13 03:50:39 +00:00
Chris Lattner
6ddf8ed6fe Implement the fpowi now by lowering to a libcall 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30225 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-09 06:03:30 +00:00
Chris Lattner
f3f333dbd6 Allow targets to custom lower expanded BIT_CONVERT's 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30217 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-09 00:20:27 +00:00
Evan Cheng
3f4fd0fd64 Allow legalizer to expand ISD::MUL using only MULHS in the rare case that is 
possible and the target only supports MULHS.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30022 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-01 18:17:58 +00:00