1 ; RUN: llc -O2 -march=hexagon < %s | FileCheck %s
3 ; Hexagon's vsplatb/vsplath only consider the lower 8/16 bits of the source
4 ; register. Any extension of the source is not necessary.
9 target triple = "hexagon"
11 ; Function Attrs: nounwind readnone
12 define i64 @f0(i64 %a0) #0 {
14 %v0 = trunc i64 %a0 to i32
15 %v1 = and i32 %v0, 65535
16 %v2 = tail call i64 @llvm.hexagon.S2.vsplatrh(i32 %v1)
17 %v3 = and i32 %v0, 255
18 %v4 = tail call i32 @llvm.hexagon.S2.vsplatrb(i32 %v3)
19 %v5 = sext i32 %v4 to i64
20 %v6 = add nsw i64 %v5, %v2
24 ; Function Attrs: nounwind readnone
25 declare i64 @llvm.hexagon.S2.vsplatrh(i32) #0
27 ; Function Attrs: nounwind readnone
28 declare i32 @llvm.hexagon.S2.vsplatrb(i32) #0
30 attributes #0 = { nounwind readnone }