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| author | Wei Mi <wmi@google.com> | 2017-10-12 00:24:52 +0000 |
|---|---|---|
| committer | Wei Mi <wmi@google.com> | 2017-10-12 00:24:52 +0000 |
| commit | 1736efd16a9c9b5addf398d89c2145fb217129c4 (patch) | |
| tree | cd464aaf3edde41938c89de8c1083cf232960b64 /llvm/lib/Target/X86/X86ISelLowering.h | |
| parent | 9c0126ec0b4f49f4af42df94c1a8a2b4fa8084fe (diff) | |
| download | bcm5719-llvm-1736efd16a9c9b5addf398d89c2145fb217129c4.tar.gz bcm5719-llvm-1736efd16a9c9b5addf398d89c2145fb217129c4.zip | |
Revert r307036 because of PR34919.
llvm-svn: 315540
Diffstat (limited to 'llvm/lib/Target/X86/X86ISelLowering.h')
| -rw-r--r-- | llvm/lib/Target/X86/X86ISelLowering.h | 13 |
1 files changed, 0 insertions, 13 deletions
diff --git a/llvm/lib/Target/X86/X86ISelLowering.h b/llvm/lib/Target/X86/X86ISelLowering.h index 1ebe43c0f7e..272dc615009 100644 --- a/llvm/lib/Target/X86/X86ISelLowering.h +++ b/llvm/lib/Target/X86/X86ISelLowering.h @@ -725,19 +725,6 @@ namespace llvm { SDValue PerformDAGCombine(SDNode *N, DAGCombinerInfo &DCI) const override; - // Return true if it is profitable to combine a BUILD_VECTOR to a TRUNCATE - // for given operand and result types. - // Example of such a combine: - // v4i32 build_vector((extract_elt V, 0), - // (extract_elt V, 2), - // (extract_elt V, 4), - // (extract_elt V, 6)) - // --> - // v4i32 truncate (bitcast V to v4i64) - bool isDesirableToCombineBuildVectorToTruncate() const override { - return true; - } - // Return true if it is profitable to combine a BUILD_VECTOR with a // stride-pattern to a shuffle and a truncate. // Example of such a combine: |
