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2007-09-10Check all terminators inside loop.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41821 91177308-0d34-0410-b5e6-96231b3b80d8
2007-09-10remove obsolete testcaseChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41820 91177308-0d34-0410-b5e6-96231b3b80d8
2007-09-10remove some dead code, this is handled by constant folding.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41819 91177308-0d34-0410-b5e6-96231b3b80d8
2007-09-10Fix a buggy constant folding transformation when handling aliases.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41818 91177308-0d34-0410-b5e6-96231b3b80d8
2007-09-10Swap exit condition operands if it works.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41817 91177308-0d34-0410-b5e6-96231b3b80d8
2007-09-10regenerateChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41816 91177308-0d34-0410-b5e6-96231b3b80d8
2007-09-10Fix PR1645 by resolving forward alias references.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41815 91177308-0d34-0410-b5e6-96231b3b80d8
2007-09-10Add missing llvm-dis.Dale Johannesen
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41813 91177308-0d34-0410-b5e6-96231b3b80d8
2007-09-1080 col.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41812 91177308-0d34-0410-b5e6-96231b3b80d8
2007-09-10New entry.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41810 91177308-0d34-0410-b5e6-96231b3b80d8
2007-09-10Observation of rematerialization.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41809 91177308-0d34-0410-b5e6-96231b3b80d8
2007-09-10Add some notes about better flag handling.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41808 91177308-0d34-0410-b5e6-96231b3b80d8
2007-09-10Emit:Chris Lattner
cmpl %eax, %ecx setae %al movzbl %al, %eax instead of: cmpl %eax, %ecx setb %al xorb $1, %al movzbl %al, %eax when using logical not of a C comparison. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41807 91177308-0d34-0410-b5e6-96231b3b80d8
2007-09-10this is not infinite recursion.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41806 91177308-0d34-0410-b5e6-96231b3b80d8
2007-09-101. Don't call Value::getName(), which is slow.Chris Lattner
2. Lower calls to fabs and friends to FABS nodes etc unless the function has internal linkage. Before we wouldn't lower if it had a definition, which is incorrect. This allows us to compile: define double @fabs(double %f) { %tmp2 = tail call double @fabs( double %f ) ret double %tmp2 } into: _fabs: fabs f1, f1 blr git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41805 91177308-0d34-0410-b5e6-96231b3b80d8
2007-09-10Prevent tailcallelim from breaking "recursive" calls to builtins.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41804 91177308-0d34-0410-b5e6-96231b3b80d8
2007-09-10It's not safe to rematerialize MOV32r0 etc. by simply cloning the originalEvan Cheng
instruction. These are implemented with xor which will modify the conditional code. They should be rematerialized as move instructions. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41802 91177308-0d34-0410-b5e6-96231b3b80d8
2007-09-10Filter exit conditions which are not yet handled.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41800 91177308-0d34-0410-b5e6-96231b3b80d8
2007-09-10New test.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41799 91177308-0d34-0410-b5e6-96231b3b80d8
2007-09-10Require SCEV before LCSSA.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41798 91177308-0d34-0410-b5e6-96231b3b80d8
2007-09-09Remove an un-needed dependence query. This improves compile time marginally ↵Owen Anderson
on 401.bzip2. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41792 91177308-0d34-0410-b5e6-96231b3b80d8
2007-09-09Add SparseBitVector implementationDaniel Berlin
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41790 91177308-0d34-0410-b5e6-96231b3b80d8
2007-09-08Turn GVN on by default.Owen Anderson
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41787 91177308-0d34-0410-b5e6-96231b3b80d8
2007-09-08Implement misaligned FP loads and stores.Dale Johannesen
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41786 91177308-0d34-0410-b5e6-96231b3b80d8
2007-09-08Fix description of the call instruction. There are two types, with one beingNick Lewycky
optional. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41785 91177308-0d34-0410-b5e6-96231b3b80d8
2007-09-08Fix for VisualStudio. It is treating a 2 bit enum as a signed int for ↵Chuck Rose III
comparison purposes, causing failures. Using an extra bit fixes it. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41784 91177308-0d34-0410-b5e6-96231b3b80d8
2007-09-08Smarter Reset(). Instead of deallocating all memory regions and reallocate theEvan Cheng
first region, just deallocate all but the last region in the list. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41782 91177308-0d34-0410-b5e6-96231b3b80d8
2007-09-07TableGen no longer emit CopyFromReg nodes for implicit results in physicalEvan Cheng
registers. The scheduler is now responsible for emitting them. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41781 91177308-0d34-0410-b5e6-96231b3b80d8
2007-09-07Add missing index versions of instructions to the map.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41776 91177308-0d34-0410-b5e6-96231b3b80d8
2007-09-07Avoid storing and reloading zeros and other constants from stack slotsDan Gohman
by flagging the associated instructions as being trivially rematerializable. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41775 91177308-0d34-0410-b5e6-96231b3b80d8
2007-09-07Apply feedback from previous patch.Dale Johannesen
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41774 91177308-0d34-0410-b5e6-96231b3b80d8
2007-09-07Revert previous change to IR.Dale Johannesen
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41769 91177308-0d34-0410-b5e6-96231b3b80d8
2007-09-07Add support for having different alignment for objects on call frames.Rafael Espindola
The x86-64 ABI states that objects passed on the stack have 8 byte alignment. Implement that. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41768 91177308-0d34-0410-b5e6-96231b3b80d8
2007-09-07Split eh.select / eh.typeid.for intrinsics into i32/i64 versions. This is ↵Anton Korobeynikov
needed, because they just "mark" register liveins and we let frontend solve type issue, not lowering code :) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41763 91177308-0d34-0410-b5e6-96231b3b80d8
2007-09-07Test for PR1641.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41762 91177308-0d34-0410-b5e6-96231b3b80d8
2007-09-07Don't zap back to back volatile load/storesChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41759 91177308-0d34-0410-b5e6-96231b3b80d8
2007-09-07Add lengthof and endof templates that hide a lot of sizeof computations.Owen Anderson
Patch by Sterling Stein! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41758 91177308-0d34-0410-b5e6-96231b3b80d8
2007-09-06Constify to catch bugs.David Greene
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41751 91177308-0d34-0410-b5e6-96231b3b80d8
2007-09-06Next round of APFloat changes.Dale Johannesen
Use APFloat in UpgradeParser and AsmParser. Change all references to ConstantFP to use the APFloat interface rather than double. Remove the ConstantFP double interfaces. Use APFloat functions for constant folding arithmetic and comparisons. (There are still way too many places APFloat is just a wrapper around host float/double, but we're getting there.) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41747 91177308-0d34-0410-b5e6-96231b3b80d8
2007-09-06Proper handle case, when aliasee is external weak symbol referenced only by ↵Anton Korobeynikov
alias itself. Also, fix a case, when target doesn't have weak symbols supported. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41746 91177308-0d34-0410-b5e6-96231b3b80d8
2007-09-06Add instruction dump output. This helps find bugs.David Greene
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41744 91177308-0d34-0410-b5e6-96231b3b80d8
2007-09-06Pluggable coalescers inplementation.David Greene
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41743 91177308-0d34-0410-b5e6-96231b3b80d8
2007-09-06Use isTrueWhenEqual. Thanks Chris!Nick Lewycky
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41741 91177308-0d34-0410-b5e6-96231b3b80d8
2007-09-06When the two operands of an icmp are equal, there are five possible predicatesNick Lewycky
that would make the icmp true. Fixes PR1637. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41740 91177308-0d34-0410-b5e6-96231b3b80d8
2007-09-06Fix a memory leak.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41739 91177308-0d34-0410-b5e6-96231b3b80d8
2007-09-06Fix a bug in X86InstrInfo::convertToThreeAddress that caused it to codegen:Evan Cheng
leal (,%rcx,8), %rcx It should be leal (,%rcx,8), %ecx git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41735 91177308-0d34-0410-b5e6-96231b3b80d8
2007-09-05LVXL and STVXL are also a load and store resp.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41733 91177308-0d34-0410-b5e6-96231b3b80d8
2007-09-05Accidentially left this out.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41730 91177308-0d34-0410-b5e6-96231b3b80d8
2007-09-05Use pool allocator for all the VNInfo's to improve memory access locality. ↵Evan Cheng
This reduces coalescing time on siod Mac OS X PPC by 35%. Also remove the back ptr from VNInfo to LiveInterval and other tweaks. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41729 91177308-0d34-0410-b5e6-96231b3b80d8
2007-09-05Added Reset() to free all allocated memory regions and reset state to be the ↵Evan Cheng
same as right after ctor. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41728 91177308-0d34-0410-b5e6-96231b3b80d8
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