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1edaab996f
llvm-6502/test
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Ulrich Weigand 1edaab996f [PowerPC] Constrain base register in PPCRegisterInfo::resolveFrameIndex 
I've run into a bug where current LLVM at -O0 (with fast-isel)
generated invalid code like:

        ld 0, 20936(1)                  # 8-byte Folded Reload
        stw 12, 10348(0)
        stw 12, 10344(0)

The underlying vreg had been introduced as base register by the
Local Stack Slot Allocation pass.  That register was constrained
to G8RC by PPCRegisterInfo::materializeFrameBaseRegister to match
the ADDI instruction used to set it, but it was *not* constrained
to G8RC_NOX0 to fit the *use* of the register in an address.

That should have happened in PPCRegisterInfo::resolveFrameIndex.
This patch adds an appropriate constrainRegClass call.

Reviewed by Hal Finkel.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211897 91177308-0d34-0410-b5e6-96231b3b80d8
2014-06-27 13:04:12 +00:00
..
Analysis Reduce verbiage of lit.local.cfg files 2014-06-09 22:42:55 +00:00
Assembler Add some test files for r211710. 2014-06-25 15:41:39 +00:00
Bindings Reduce verbiage of lit.local.cfg files 2014-06-09 22:42:55 +00:00
Bitcode Add some test files for r211710. 2014-06-25 15:41:39 +00:00
BugPoint Revert r206989, "Mark llvm/test/BugPoint/compile-custom.ll as XFAIL:vg_leak." It has been fixed since r207265. 2014-04-27 11:59:33 +00:00
CodeGen [PowerPC] Constrain base register in PPCRegisterInfo::resolveFrameIndex 2014-06-27 13:04:12 +00:00
DebugInfo Revert "Revert "Revert "PR20038: DebugInfo: Inlined call sites where the caller has debug info but the call itself has no debug location.""" 2014-06-27 05:34:05 +00:00
ExecutionEngine [RuntimeDyld] Support more PPC64 relocations 2014-06-20 17:51:47 +00:00
Feature Move test for r210734 to Feature/aliases.ll. 2014-06-12 21:37:30 +00:00
FileCheck
Instrumentation [msan] Fix bad interaction between with-calls mode and chained origin tracking. 2014-06-25 14:41:57 +00:00
Integer
JitListener
Linker Allow aliases to be unnamed_addr. 2014-06-06 01:20:28 +00:00
LTO Change the default input for llvm-nm to be a.out instead of standard input 2014-06-23 20:27:53 +00:00
MC [X86] AVX512: Add vbroadcasti* 2014-06-27 00:43:38 +00:00
Object [ELF][Mips] Fix recognition of MIPS 64-bit arch in the ELFObjectFile:getArch() method. 2014-06-27 11:36:45 +00:00
Other Change the default input for llvm-nm to be a.out instead of standard input 2014-06-23 20:27:53 +00:00
TableGen Fix error in tablegen when either operand of !if is an empty list. 2014-06-10 20:10:08 +00:00
tools [ELF][Mips] Fix recognition of MIPS 64-bit arch in the ELFObjectFile:getArch() method. 2014-06-27 11:36:45 +00:00
Transforms Added instruction combine to transform few more negative values addition to subtraction (Part 3) 2014-06-27 07:47:35 +00:00
Unit
Verifier [ValueTracking] Extend range metadata to call/invoke 2014-06-19 16:50:16 +00:00
YAMLParser
.clang-format
CMakeLists.txt OK, NAKAMURA Takumi beat me to this change. So backing out my addition of 2014-05-19 23:26:51 +00:00
lit.cfg Delete utils/FileUpdate. 2014-06-23 17:58:39 +00:00
lit.site.cfg.in
Makefile lld test for configure & make 2014-06-06 09:06:25 +00:00
Makefile.tests
TestRunner.sh