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2b994c7206
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6594 Commits

Author SHA1 Message Date
Chris Lattner
2b994c7206 Fix a nasty bug, noticed by Reid 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14249 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-19 18:15:50 +00:00
Chris Lattner
edb8433c91 Fix one source of nondeterminism in the -licm pass: the hoist pass 
was processing blocks in whatever order they happened to end up in the
dominator tree data structure.  Force an ordering.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14248 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-19 08:56:43 +00:00
Chris Lattner
abc35bcad3 Change to use the StableBasicBlockNumbering class 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14247 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-19 08:42:40 +00:00
Chris Lattner
689835a2d9 Fix a tiny bug in the -no-aa pass, in which it did not ever get a target data. 
This is a regression from 1.2, though noone uses -no-aa anyway


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14245 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-19 08:05:58 +00:00
Chris Lattner
63168d2244 Do not let the numbering of PHI nodes placed in the function depend on 
non-deterministic things like the ordering of blocks in the dominance
frontier of a BB.  Unfortunately, I don't know of a better way to solve
this problem than to explicitly sort the BB's in function-order before
processing them.  This is guaranteed to slow the pass down a bit, but
is absolutely necessary to get usable diffs between two different tools
executing the mem2reg or scalarrepl pass.

Before this, bazillions of spurious diff failures occurred all over the
place due to the different order of processing PHIs:

-       %tmp.111 = getelementptr %struct.Connector_struct* %upcon.0.0, uint 0, uint 0
+       %tmp.111 = getelementptr %struct.Connector_struct* %upcon.0.1, uint 0, uint 0

Now, the diffs match.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14244 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-19 07:40:14 +00:00
Chris Lattner
1654cff8e8 Do not sort by the address of LLVM ConstantInt* objects. This produces 
nondeterministic results that depend on where these objects land in memory.
Instead, sort by the value of the constant, which is stable.

Before this patch, the -simplifycfg pass run from two different compilers
could cause different code to be generated, though it was semantically the
same:

@@ -12258,8 +12258,8 @@
        %s_addr.1 = phi sbyte* [ %s, %entry ], [ %inc.0, %no_exit ]             ; <sbyte*> [#uses=5]
        %tmp.1 = load sbyte* %s_addr.1          ; <sbyte> [#uses=1]
        switch sbyte %tmp.1, label %no_exit [
-                sbyte 0, label %loopexit
                 sbyte 46, label %loopexit
+                sbyte 0, label %loopexit
        ]

We need to stomp all of this stuff out.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14243 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-19 07:02:14 +00:00
Chris Lattner
8430a4545c Do not loop over uses as we delete them. This causes iterators to be 
invalidated out from under us.  This bug goes back to revision 1.1: scary.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14242 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-19 02:02:22 +00:00
Misha Brukman
ebb0faabd3 * Fix file header and name 
* Order #includes alphabetically


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14234 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-18 15:38:49 +00:00
Misha Brukman
b487303725 Use the machine-independent method of querying the page size. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14233 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-18 15:34:07 +00:00
Brian Gaeke
9d2427c074 .zero doesn't work in the Solaris assembler. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14231 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-18 08:59:16 +00:00
Brian Gaeke
a3c57624c0 Get rid of selects the easy way 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14230 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-18 08:46:15 +00:00
Brian Gaeke
cfaf22445c Make visitAllocaInst() look more like its X86 counterpart. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14229 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-18 08:45:52 +00:00
Brian Gaeke
4f217fdd10 Mess around with allocation order. In particular, I think we ought to be 
using the local & in regs first because they are not clobbered by calls.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14228 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-18 08:19:08 +00:00
Brian Gaeke
fbaae01269 JMPL has a delay slot. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14227 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-18 08:18:54 +00:00
Brian Gaeke
0735920173 Clean up the commented-out F3_3 stuff. 
Replace it with a working class for FP instrs.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14226 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-18 06:28:21 +00:00
Brian Gaeke
f89cc655ab Fix jmpl. 
Add some FP moves.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14225 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-18 06:28:10 +00:00
Brian Gaeke
ceb224148e Support printing base+offset pairs where the offset is a register. 
Use this for printing the jmpl indirect-call instruction.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14224 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-18 06:27:59 +00:00
Brian Gaeke
9d67ea0b61 Support intrinsic calls (although no particular intrinsics are supported yet). 
Support indirect calls.
Support returning a float value.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14223 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-18 06:27:48 +00:00
Chris Lattner
5b62aa743d Implement Transforms/InstCombine/and.ll:test17, a common case that 
occurs due to unordered comparison macros in math.h


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14221 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-18 06:07:51 +00:00
Chris Lattner
e5ad50b2e8 Do not function resolve intrinsics. This prevents warnings and possible bad 
things from happening due to

declare bool %llvm.isunordered(double, double)
declare bool %llvm.isunordered(float, float)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14219 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-18 05:50:48 +00:00
Brian Gaeke
562d5b0f6d Add load instructions for floating-point registers. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14217 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-18 05:19:27 +00:00
Brian Gaeke
c93a75223d Support alloca instructions. 
Support copying floating-point constants to registers.
Add assertion to visitCallInst to abort if we hit a NULL calledFunction, for now.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14216 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-18 05:19:16 +00:00
Chris Lattner
a8abee2136 Fix printing of Argument objects, problem found by Patrick Meredith 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14215 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-18 04:07:20 +00:00
Chris Lattner
667ea024b5 Codegen sub C, X a little bit better for register pressure. Instead of 
mov REG, C
sub REG, X

generate:

neg X
add X, C

which uses one less reg


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14213 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-18 00:50:37 +00:00
Chris Lattner
a6f9fe6dbc Fold setcc instructions into select and branches that are not in the same BB as 
the setcc.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14212 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-18 00:29:22 +00:00
Brian Gaeke
6713d988a4 Make storeRegToStackSlot slightly shorter. 
Make copyRegToReg return 1 instead of -1.
Edit a comment in emitPrologue().


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14211 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-17 22:34:48 +00:00
Brian Gaeke
070bb4a8da Set the isBranch and isTerminator flags on branch instructions correctly. 
Add a FIXME about the (currently unused) JMPL instructions.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14210 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-17 22:34:29 +00:00
Brian Gaeke
8308d04dbc Emit stores correctly; don't fail an assertion. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14209 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-17 22:34:19 +00:00
Brian Gaeke
6c868a4c17 Support generating machine instructions for Phi nodes (based on x86, but with 
modifications for 1 LLVM BB --> many MBBs).
Fix store operand order: make it always be Base, Offset, SrcReg (think
"[ Base + Offset ] = SrcReg").
Rewrite visitBranchInst() to be even dumber (but working) -- give up on
the branch fallthrough trick, for the time being.
Make visitSetCondInst() work.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14208 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-17 22:34:08 +00:00
Brian Gaeke
fc7fa31211 Recognize more branches. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14207 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-17 22:33:57 +00:00
Brian Gaeke
afe16e1742 I love the smell of a freshly broken PowerPC build in the morning. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14206 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-17 22:27:04 +00:00
Brian Gaeke
988b7ba5ba Make debugging dumps w/ multiple MachineBBs for a given LLVM BB readable. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14205 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-17 22:26:53 +00:00
Chris Lattner
ccd9796a46 Do not fold loads into instructions if it is used more than once. In particular 
we do not want to fold the load in cases like this:

  X = load
    = add A, X
    = add B, X


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14204 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-17 22:15:25 +00:00
Chris Lattner
5253f05709 Fix compilation problem on freebsd. Problem noted by Vladimir Merzliakov in 
PR371


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14203 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-17 21:20:52 +00:00
Brian Gaeke
09c1309814 Use addGlobalAddress and addMBB for call & branch targets instead of addPCDisp. 
Abort if we see a PCRelativeDisp MachineOperand, to be safe. This matches
the X86 backend.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14202 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-17 19:39:23 +00:00
Chris Lattner
f70c22b019 Rename Type::PrimitiveID to TypeId and ::getPrimitiveID() to ::getTypeID() 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14201 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-17 18:19:28 +00:00
Chris Lattner
5dd04027c7 Rename Type::PrimitiveID to TypeId and ::getPrimitiveID() to ::getTypeID() 
Delete two functions that are now methods on the Type class


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14200 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-17 18:16:02 +00:00
Chris Lattner
c2616625a3 Minor cleanup 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14199 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-17 17:56:54 +00:00
Brian Gaeke
802daf8b7d Fix typo in DEBUG printout. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14196 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-17 07:26:52 +00:00
Chris Lattner
aebcce8404 Fix a recent regression in Applications/sgefa that Alkis pointed out to me. 
The vector may actually be empty if the register that we are marking as
recently used is not actually allocatable.  This happens for physical registers
that are not allocatable, like the ST(x) registers on X86.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14195 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-16 06:57:29 +00:00
Brian Gaeke
59108d3d40 Add int ferror(FILE *) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14194 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-16 02:56:40 +00:00
Brian Gaeke
83a7049270 Um, did someone make a typo or something? 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14192 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-15 23:09:50 +00:00
Chris Lattner
4ee623de0b isnan is dead 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14191 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-15 21:52:58 +00:00
Chris Lattner
4adf066f99 Remove support for llvm.isnan. Alkis wins :) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14189 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-15 21:48:07 +00:00
Chris Lattner
be78ac4422 Remove isnan support, correct isunordered support 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14187 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-15 21:42:23 +00:00
Chris Lattner
c45ef6d395 Remove support for the isnan intrinsic 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14186 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-15 21:37:54 +00:00
Chris Lattner
dc5724478e Add basic support for the isunordered intrinsic. The isnan stuff still needs to go 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14185 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-15 21:36:44 +00:00
Brian Gaeke
d6a1053745 Fix thinko in visitor... ShiftInsts should currently be delegated 
to visitBinaryOperator.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14182 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-15 21:09:46 +00:00
Chris Lattner
d1cd328560 Do not dereference end iterators. It's really bad for the asmwriter's health. 
This possibly fixes PR370


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14181 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-15 21:07:32 +00:00
Brian Gaeke
f405280acb I think we'll use the standard lowering passes for now. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14179 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-15 20:37:12 +00:00