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| author | Chris Lattner <sabre@nondot.org> | 2006-03-24 07:48:08 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2006-03-24 07:48:08 +0000 |
| commit | ab882abce85b65c300349a2bebd49ef57fc1f79e (patch) | |
| tree | b9a51e44fb529b28048774b272835710bbce0fb2 /llvm/lib/Target/PowerPC/PPCISelLowering.h | |
| parent | 23fd653efd21a93c1e8ef83c3fa61617d89171fd (diff) | |
| download | bcm5719-llvm-ab882abce85b65c300349a2bebd49ef57fc1f79e.tar.gz bcm5719-llvm-ab882abce85b65c300349a2bebd49ef57fc1f79e.zip | |
add support for using vxor to build zero vectors. This implements
Regression/CodeGen/PowerPC/vec_zero.ll
llvm-svn: 27059
Diffstat (limited to 'llvm/lib/Target/PowerPC/PPCISelLowering.h')
| -rw-r--r-- | llvm/lib/Target/PowerPC/PPCISelLowering.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/llvm/lib/Target/PowerPC/PPCISelLowering.h b/llvm/lib/Target/PowerPC/PPCISelLowering.h index abf7a79db8f..5482e9aa5c0 100644 --- a/llvm/lib/Target/PowerPC/PPCISelLowering.h +++ b/llvm/lib/Target/PowerPC/PPCISelLowering.h @@ -101,6 +101,10 @@ namespace llvm { /// getVSPLTImmediate - Return the appropriate VSPLT* immediate to splat the /// specified isSplatShuffleMask VECTOR_SHUFFLE mask. unsigned getVSPLTImmediate(SDNode *N); + + /// isZeroVector - Return true if this build_vector is an all-zero vector. + /// + bool isZeroVector(SDNode *N); } class PPCTargetLowering : public TargetLowering { |
