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13 Commits

Author SHA1 Message Date
Matthias Braun 6b898beb8e X86: Do not use llc -march in tests. 
`llc -march` is problematic because it only switches the target
architecture, but leaves the operating system unchanged. This
occasionally leads to indeterministic tests because the OS from
LLVM_DEFAULT_TARGET_TRIPLE is used.

However we can simply always use `llc -mtriple` instead. This changes
all the tests to do this to avoid people using -march when they copy and
paste parts of tests.

See also the discussion in https://reviews.llvm.org/D35287

llvm-svn: 309774
 2017-08-02 00:28:10 +00:00
Yunzhong Gao dfc277f350 Enabling 3DNow! prefetch instruction for a few AMD processors: bobcat, jaguar, 
bulldozer and piledriver. Support for the instruction itself seems to have
already been added in r178040.

Differential Revision: http://llvm-reviews.chandlerc.com/D1933

llvm-svn: 192828
 2013-10-16 19:04:11 +00:00
Preston Gurd dd9891f22d Attempt to fix llvm-ppc64-linux2 buildbot failure by adding 
-march=x86 to SLM test.

llvm-svn: 190958
 2013-09-18 21:39:33 +00:00
Preston Gurd 457daddc9b Verify that llvm can generate the prefetchw instruction when the CPU is 
Atom Silvermont.

Patch by Sriram Murali.

llvm-svn: 190957
 2013-09-18 21:08:09 +00:00
Michael Liao 4a44e556cc Fix PRFCHW test on non-x86 builds 
- 'prefetch' intrinsics are only lowered when SSE is available. On non-X86
  builds, 'generic' CPU is used and stops lowering any prefetch intrinsics.

llvm-svn: 178046
 2013-03-26 18:15:45 +00:00
Michael Liao 5173ee03af Add PREFETCHW codegen support 
- Add 'PRFCHW' feature defined in AVX2 ISA extension

llvm-svn: 178040
 2013-03-26 17:47:11 +00:00
Evan Cheng 3294538546 Add test for r146163. 
llvm-svn: 146167
 2011-12-08 19:21:39 +00:00
Bruno Cardoso Lopes dc9ff3a4b1 Add one more argument to the prefetch intrinsic to indicate whether it's a data 
or instruction cache access. Update the targets to match it and also teach
autoupgrade.

llvm-svn: 132976
 2011-06-14 04:58:37 +00:00
Dale Johannesen c9242c577e Prefetch has a MemOperand now. FileCheckize a test. 
This finishes up 8460971.

llvm-svn: 119848
 2010-11-19 21:49:38 +00:00
Dan Gohman 40503396da Eliminate more uses of llvm-as and llvm-dis. 
llvm-svn: 81290
 2009-09-08 23:54:48 +00:00
Dan Gohman 1b095b443c Convert several tests to use temporary files instead of redundantly 
executing the test commands.

llvm-svn: 52163
 2008-06-10 00:36:41 +00:00
Dale Johannesen 65aada6e8f There is no "-mattr=+sse1" flag; fix test for non-x86 hosts. 
llvm-svn: 48156
 2008-03-10 17:13:37 +00:00
Evan Cheng 95cf661534 Implement x86 support for @llvm.prefetch. It corresponds to prefetcht{0|1|2} and prefetchnta instructions. 
llvm-svn: 48042
 2008-03-08 00:58:38 +00:00