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| author | Ruiling Song <ruiling.song@intel.com> | 2014-06-27 14:17:57 +0800 |
|---|---|---|
| committer | Zhigang Gong <zhigang.gong@intel.com> | 2014-06-30 11:50:54 +0800 |
| commit | 3aa325c8a047f7176f3e00be597139eff8c9da32 (patch) | |
| tree | 3964167abe93c0a2770853522f83e776503ac0f1 | |
| parent | 88bf22368b92e32014b94dddb6a5dceb66d1a12c (diff) | |
| download | beignet-3aa325c8a047f7176f3e00be597139eff8c9da32.tar.gz | |
GBE: disable GVN pass when optLevel is zero.
GVN pass may generate some i256 data type, which our backend could not handle.
So, only enable it when optLevel > 0.
Signed-off-by: Ruiling Song <ruiling.song@intel.com>
Reviewed-by: "Yang, Rong R" <rong.r.yang@intel.com>
| -rw-r--r-- | backend/src/llvm/llvm_to_gen.cpp | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/backend/src/llvm/llvm_to_gen.cpp b/backend/src/llvm/llvm_to_gen.cpp index 50b3a197..153b11db 100644 --- a/backend/src/llvm/llvm_to_gen.cpp +++ b/backend/src/llvm/llvm_to_gen.cpp @@ -221,7 +221,8 @@ namespace gbe passes.add(createConstantPropagationPass()); passes.add(createLowerSwitchPass()); passes.add(createPromoteMemoryToRegisterPass()); - passes.add(createGVNPass()); // Remove redundancies + if(optLevel > 0) + passes.add(createGVNPass()); // Remove redundancies passes.add(createPrintfParserPass()); passes.add(createScalarizePass()); // Expand all vector ops passes.add(createDeadInstEliminationPass()); // Remove simplified instructions |