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llvm-mirror/test/CodeGen/NVPTX/vector-select.ll
Justin Holewinski 9c8d5cc197 Teach the legalizer how to handle operands for VSELECT nodes
If we need to split the operand of a VSELECT, it must be the mask operand. We
split the entire VSELECT operand with EXTRACT_SUBVECTOR.

llvm-svn: 168883
2012-11-29 14:26:28 +00:00

17 lines
647 B
LLVM

; RUN: llc < %s -march=nvptx -mcpu=sm_20
; RUN: llc < %s -march=nvptx64 -mcpu=sm_20
; This test makes sure that vector selects are scalarized by the type legalizer.
; If not, type legalization will fail.
define void @foo(<2 x i32> addrspace(1)* %def_a, <2 x i32> addrspace(1)* %def_b, <2 x i32> addrspace(1)* %def_c) {
entry:
%tmp4 = load <2 x i32> addrspace(1)* %def_a
%tmp6 = load <2 x i32> addrspace(1)* %def_c
%tmp8 = load <2 x i32> addrspace(1)* %def_b
%0 = icmp sge <2 x i32> %tmp4, zeroinitializer
%cond = select <2 x i1> %0, <2 x i32> %tmp6, <2 x i32> %tmp8
store <2 x i32> %cond, <2 x i32> addrspace(1)* %def_c
ret void
}