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170d2a8c25
llvm-mirror/test
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Arnold Schwaighofer 170d2a8c25 DAGCombiner: Fold pointless truncate, bitcast, buildvector series 
(2xi32) (truncate ((2xi64) bitcast (buildvector i32 a, i32 x, i32 b, i32 y)))
can be folded into a (2xi32) (buildvector i32 a, i32 b).

Such a DAG would cause uneccessary vdup instructions followed by vmovn
instructions.

We generate this code on ARM NEON for a setcc olt, 2xf64, 2xf64. For example, in
the vectorized version of the code below.

double A[N];
double B[N];

void test_double_compare_to_double() {
  int i;
  for(i=0;i<N;i++)
    A[i] = (double)(A[i] < B[i]);
}

radar://13191881

Fixes bug 15283.

llvm-svn: 175670
2013-02-20 21:33:32 +00:00
..
Analysis I optimized the following patterns: 2013-02-20 12:42:54 +00:00
Archive
Assembler Modify the LLVM assembly output so that it uses references to represent function attributes. 2013-02-20 07:21:42 +00:00
Bindings/Ocaml Use the attribute group reference instead of the attribute directly. 2013-02-20 07:48:23 +00:00
Bitcode Modify the LLVM assembly output so that it uses references to represent function attributes. 2013-02-20 07:21:42 +00:00
BugPoint
CodeGen DAGCombiner: Fold pointless truncate, bitcast, buildvector series 2013-02-20 21:33:32 +00:00
DebugInfo Add testcase for llvm-dwarfdump to test parsing of the pubnames data. 2013-02-14 16:10:58 +00:00
ExecutionEngine AArch64: adjust tests which rely on a default JIT 2013-02-18 11:08:37 +00:00
Feature Modify the LLVM assembly output so that it uses references to represent function attributes. 2013-02-20 07:21:42 +00:00
FileCheck Canonicalize line endings to Linux style also when the --strict-whitespace flag is in use. This flag is supposed to affect horizontal whitespaces only. 2013-02-06 20:40:38 +00:00
Instrumentation [asan] instrument invoke insns with noreturn attribute (as well as call insns) 2013-02-20 12:35:15 +00:00
Integer Remove the dependent libraries feature. 2012-11-27 09:55:56 +00:00
JitListener Add support for source and line information to IntelJITEventListener for object emitted by MCJIT. 2013-01-28 19:52:37 +00:00
Linker Linker: correctly link in dbg.declare 2013-01-31 21:19:18 +00:00
MC ELF symbol table field st_other support, 2013-02-19 22:29:00 +00:00
Object [llvm-readobj] Add ELF .dynamic table dumping. 2013-02-20 02:37:12 +00:00
Other Modify the LLVM assembly output so that it uses references to represent function attributes. 2013-02-20 07:21:42 +00:00
Scripts Set the +x bit on two batch scripts 2013-01-25 22:12:50 +00:00
TableGen FileCheck-ify some grep tests 2013-01-25 22:11:46 +00:00
tools PR10867: Analogue of r169441 for when using external 'sh'. And actually run the test! 2012-12-05 23:15:33 +00:00
Transforms Modify the LLVM assembly output so that it uses references to represent function attributes. 2013-02-20 07:21:42 +00:00
Unit
Verifier [IR] Add 'Append' and 'AppendUnique' module flag behaviors. 2013-01-16 21:38:56 +00:00
YAMLParser
CMakeLists.txt llvm/test/CMakeLists.txt: Add a dependency to llvm-rtdyld in check-llvm. 2013-01-25 23:24:07 +00:00
lit.cfg Introduce llvm::sys::getProcessTriple() function. 2013-01-16 17:27:22 +00:00
lit.site.cfg.in Introduce llvm::sys::getProcessTriple() function. 2013-01-16 17:27:22 +00:00
Makefile build: add --with-python option 2013-01-30 04:07:37 +00:00
Makefile.tests
TestRunner.sh