1 ; RUN: llc -march=hexagon -mcpu=hexagonv4 -disable-hsdr < %s | FileCheck %s 2 3 declare void @bar(i64) 4 5 ; CHECK-LABEL: halfword: 6 ; CHECK: combine(#0 7 8 define void @halfword(i16* nocapture %a) nounwind { 9 entry: 10 %0 = load i16, i16* %a, align 2 11 %1 = zext i16 %0 to i64 12 %add.ptr = getelementptr inbounds i16, i16* %a, i32 1 13 %2 = load i16, i16* %add.ptr, align 2 14 %3 = zext i16 %2 to i64 15 %4 = shl nuw nsw i64 %3, 16 16 %ins = or i64 %4, %1 17 tail call void @bar(i64 %ins) nounwind 18 ret void 19 } 20 21 ; CHECK-LABEL: byte: 22 ; CHECK: combine(#0 23 24 define void @byte(i8* nocapture %a) nounwind { 25 entry: 26 %0 = load i8, i8* %a, align 1 27 %1 = zext i8 %0 to i64 28 %add.ptr = getelementptr inbounds i8, i8* %a, i32 1 29 %2 = load i8, i8* %add.ptr, align 1 30 %3 = zext i8 %2 to i64 31 %4 = shl nuw nsw i64 %3, 8 32 %ins = or i64 %4, %1 33 tail call void @bar(i64 %ins) nounwind 34 ret void 35 } 36
