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| author | imhameed <imhameed@microsoft.com> | 2020-02-02 09:18:31 +0300 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2020-02-02 09:18:31 +0300 |
| commit | 4bed68d0731ebe13393e7404d5975079c3fdcd87 (patch) | |
| tree | aa84c07180f6457b0a2c7020d400e4b427458f33 | |
| parent | 3a93ebd6fee0a42c4dece98f0baca9b7008cbfc6 (diff) | |
[llvm] Enable jump threading with LLVM JIT. (#18655)
See https://github.com/mono/mono/issues/16243. This will allow elision
of redundant bounds checks. This pass is already used during AOT (as
part of opt -O2).
| -rw-r--r-- | mono/mini/llvm-jit.cpp | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/mono/mini/llvm-jit.cpp b/mono/mini/llvm-jit.cpp index a0c870afe8d..9f4d4d2cb8c 100644 --- a/mono/mini/llvm-jit.cpp +++ b/mono/mini/llvm-jit.cpp @@ -300,7 +300,7 @@ public: // FIXME: find optimal mono specific order of passes // see https://llvm.org/docs/Frontend/PerformanceTips.html#pass-ordering // the following order is based on a stripped version of "OPT -O2" - const char *default_opts = " -simplifycfg -sroa -lower-expect -instcombine -loop-rotate -licm -simplifycfg -lcssa -loop-idiom -indvars -loop-deletion -gvn -memcpyopt -sccp -bdce -instcombine -dse -simplifycfg -enable-implicit-null-checks"; + const char *default_opts = " -simplifycfg -sroa -lower-expect -instcombine -jump-threading -loop-rotate -licm -simplifycfg -lcssa -loop-idiom -indvars -loop-deletion -gvn -memcpyopt -sccp -bdce -instcombine -dse -simplifycfg -enable-implicit-null-checks"; const char *opts = g_getenv ("MONO_LLVM_OPT"); if (opts == NULL) opts = default_opts; |