llvm-project/llvm/test/CodeGen/Hexagon/build-vector-v4i8-zext.ll

18 lines
567 B
LLVM

; RUN: llc -march=hexagon < %s | FileCheck %s
; Check that we generate zero-extends, instead of just shifting and oring
; registers (which can contain sign-extended negative values).
; CHECK: and(r{{[0-9]+}},#255)
define i32 @fred(i8 %a0, i8 %a1, i8 %a2, i8 %a3) #0 {
b4:
%v5 = insertelement <4 x i8> undef, i8 %a0, i32 0
%v6 = insertelement <4 x i8> %v5, i8 %a1, i32 1
%v7 = insertelement <4 x i8> %v6, i8 %a2, i32 2
%v8 = insertelement <4 x i8> %v7, i8 %a3, i32 3
%v9 = bitcast <4 x i8> %v8 to i32
ret i32 %v9
}
attributes #0 = { nounwind readnone }