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llvm-mirror/test/CodeGen/Hexagon/isel-vlsr-v2i16.ll
Krzysztof Parzyszek 44a95960ae [Hexagon] Add patterns for shifts of v2i16
This fixes https://llvm.org/PR39983.

llvm-svn: 349202
2018-12-14 22:33:48 +00:00

17 lines
440 B
LLVM

; RUN: llc -march=hexagon < %s | FileCheck %s
; This used to crash with "cannot select" error.
; CHECK: vlsrh(r1:0,#4)
target triple = "hexagon-unknown-linux-gnu"
define <2 x i16> @foo(<2 x i32>* nocapture %v) nounwind {
%vec = load <2 x i32>, <2 x i32>* %v, align 8
%trunc = trunc <2 x i32> %vec to <2 x i16>
%r = lshr <2 x i16> %trunc, <i16 4, i16 4>
ret <2 x i16> %r
}
attributes #0 = { nounwind "target-cpu"="hexagonv60" }