1; RUN: llc < %s -march=x86 | FileCheck %s 2 3; Use an h register, but don't omit the explicit shift for 4; non-address use(s). 5 6define i32 @foo(i8* %x, i32 %y) nounwind { 7; CHECK: foo: 8; CHECK-NOT: ret 9; CHECK: movzbl %{{[abcd]h}}, 10; CHECK-NOT: ret 11; CHECK: shll $3, 12; CHECK: ret 13 14 %t0 = lshr i32 %y, 8 ; <i32> [#uses=1] 15 %t1 = and i32 %t0, 255 ; <i32> [#uses=2] 16 %t2 = shl i32 %t1, 3 17 %t3 = getelementptr i8* %x, i32 %t2 ; <i8*> [#uses=1] 18 store i8 77, i8* %t3, align 4 19 ret i32 %t2 20} 21