1; RUN: llc < %s -march=x86 | FileCheck %s 2 3define i32 @t1(i8 zeroext %x) nounwind readnone ssp { 4entry: 5; CHECK-LABEL: t1: 6; CHECK: shll 7; CHECK-NOT: movzwl 8; CHECK: ret 9 %0 = zext i8 %x to i16 10 %1 = shl i16 %0, 5 11 %2 = zext i16 %1 to i32 12 ret i32 %2 13} 14 15define i32 @t2(i8 zeroext %x) nounwind readnone ssp { 16entry: 17; CHECK-LABEL: t2: 18; CHECK: shrl 19; CHECK-NOT: movzwl 20; CHECK: ret 21 %0 = zext i8 %x to i16 22 %1 = lshr i16 %0, 3 23 %2 = zext i16 %1 to i32 24 ret i32 %2 25} 26