1; RUN: llc -march=sparc < %s | FileCheck %s 2 3 4; If computeKnownSignBits (in SelectionDAG) can do a simple 5; look-thru for extractelement then we know that the add will yield a 6; non-negative result. 7define i1 @test1(<4 x i16>* %in) { 8; CHECK-LABEL: ! %bb.0: 9; CHECK-NEXT: retl 10; CHECK-NEXT: mov %g0, %o0 11 %vec2 = load <4 x i16>, <4 x i16>* %in, align 1 12 %vec3 = lshr <4 x i16> %vec2, <i16 2, i16 2, i16 2, i16 2> 13 %vec4 = sext <4 x i16> %vec3 to <4 x i32> 14 %elt0 = extractelement <4 x i32> %vec4, i32 0 15 %elt1 = extractelement <4 x i32> %vec4, i32 1 16 %sum = add i32 %elt0, %elt1 17 %bool = icmp slt i32 %sum, 0 18 ret i1 %bool 19} 20