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b6988767a8
llvm/test
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Lei Huang b6988767a8 [PowerPC] Reduce register pressure by not materializing a constant just for use as an index register for X-Form loads/stores. 
For this example:
float test (int *arr) {
    return arr[2];
}

We currently generate the following code:
  li r4, 8
  lxsiwax f0, r3, r4
  xscvsxdsp f1, f0

With this patch, we will now generate:
  addi r3, r3, 8
  lxsiwax f0, 0, r3
  xscvsxdsp f1, f0

Originally reported in: https://bugs.llvm.org/show_bug.cgi?id=27204
Differential Revision: https://reviews.llvm.org/D35027

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@307553 91177308-0d34-0410-b5e6-96231b3b80d8
2017-07-10 16:44:45 +00:00
..
Analysis Re-enable "[IndVars] Canonicalize comparisons between non-negative values and indvars" 2017-07-08 17:17:30 +00:00
Assembler Align definition of DW_OP_plus with DWARF spec [3/3] 2017-06-14 13:14:38 +00:00
Bindings [LLVM-C] [OCaml] Expose Type::subtypes. 2017-06-05 11:49:52 +00:00
Bitcode Increase the import-threshold for crtical functions. 2017-07-07 21:01:00 +00:00
BugPoint bugpoint: disabling symbolication of bugpoint-executed programs 2017-06-09 07:29:03 +00:00
CodeGen [PowerPC] Reduce register pressure by not materializing a constant just for use as an index register for X-Form loads/stores. 2017-07-10 16:44:45 +00:00
DebugInfo [LLVM] Get rid of white spaces in file names in a DebugInfo test. NFC 2017-07-10 16:05:18 +00:00
Examples
ExecutionEngine [RuntimeDyld, PowerPC] Fix check for external symbols when detecting reloction overflow 2017-05-23 14:51:18 +00:00
Feature Remove the BBVectorize pass. 2017-06-30 07:09:08 +00:00
FileCheck [FileCheck] Don't scan past the closing CHECK-DAG for CHECK-NOT inside CHECK-DAG 2017-06-07 12:06:45 +00:00
Instrumentation Revert r307342, r307343. 2017-07-07 01:31:23 +00:00
Integer
JitListener
LibDriver [llvm-ar] Make llvm-lib behave more like the MSVC archiver 2017-06-12 19:45:35 +00:00
Linker [Linker] Remove llc usage from link-arm-and-thumb.ll test case. 2017-06-07 09:59:22 +00:00
LTO [LTO] Fix the interaction between linker redefined symbols and ThinLTO 2017-07-06 19:58:26 +00:00
MC [AMDGPU][mc][gfx9] Added support of op_sel/op_sel_hi for V_MAD_MIX* 2017-07-07 14:29:06 +00:00
Object [YAML] - Teach yaml2obj/obj2yaml to work with numeric relocation values. 2017-06-30 10:31:03 +00:00
ObjectYAML [WebAssembly] Add data size and alignement to linking section 2017-06-27 20:27:59 +00:00
Other [PM] Enable registration of out-of-tree passes with PassBuilder 2017-07-10 10:57:55 +00:00
SafepointIRVerifier [SafepointIRVerifier] Avoid false positives in GC verifier for compare between pointers 2017-07-07 13:02:29 +00:00
SymbolRewriter
TableGen [TableGen] Add a proper namespace to an Instruction in an AsmMatcher test. This is required after r307358. 2017-07-07 05:50:45 +00:00
ThinLTO/X86 Bitcode: Write the irsymtab to disk. 2017-06-27 23:50:11 +00:00
tools [PDB] Add a test that verifies every known type record. 2017-07-05 18:43:25 +00:00
Transforms [LoopUnrollRuntime] Remove strict assert about VMap requirement 2017-07-10 15:29:38 +00:00
Unit Change remaining references to lit.util.capture to use subprocess.check_output. 2017-07-06 21:46:47 +00:00
Verifier [Atomics] Rename and change prototype for atomic memcpy intrinsic 2017-06-16 14:43:59 +00:00
YAMLParser
.clang-format
CMakeLists.txt Rename llvm-pdbdump -> llvm-pdbutil. 2017-06-09 20:46:17 +00:00
lit.cfg Change remaining references to lit.util.capture to use subprocess.check_output. 2017-07-06 21:46:47 +00:00
lit.site.cfg.in Introduce the new feature "abi-breaking-checks" to satisfy -reverse-iterate in llvm/test/Transforms/Util/PredicateInfo/ 2017-06-07 00:22:52 +00:00
TestRunner.sh