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 6 define i32 @foo(i8* %x, i32 %y) nounwind { 7 ; CHECK-LABEL: 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, i8* %x, i32 %t2 ; <i8*> [#uses=1] 18 store i8 77, i8* %t3, align 4 19 ret i32 %t2 20 } 21
