|  | ; RUN: llc < %s -mtriple=arm64-eabi | FileCheck %s | 
|  |  | 
|  | define void @t1(i8* nocapture %c) nounwind optsize { | 
|  | entry: | 
|  | ; CHECK-LABEL: t1: | 
|  | ; CHECK: str wzr, [x0, #8] | 
|  | ; CHECK: str xzr, [x0] | 
|  | call void @llvm.memset.p0i8.i64(i8* align 8 %c, i8 0, i64 12, i1 false) | 
|  | ret void | 
|  | } | 
|  |  | 
|  | define void @t2() nounwind ssp { | 
|  | entry: | 
|  | ; CHECK-LABEL: t2: | 
|  | ; CHECK: stp xzr, xzr, [sp, #16] | 
|  | ; CHECK: strh wzr, [sp, #32] | 
|  | ; CHECK: str xzr, [sp, #8] | 
|  | %buf = alloca [26 x i8], align 1 | 
|  | %0 = getelementptr inbounds [26 x i8], [26 x i8]* %buf, i32 0, i32 0 | 
|  | call void @llvm.memset.p0i8.i32(i8* %0, i8 0, i32 26, i1 false) | 
|  | call void @something(i8* %0) nounwind | 
|  | ret void | 
|  | } | 
|  |  | 
|  | declare void @something(i8*) nounwind | 
|  | declare void @llvm.memset.p0i8.i32(i8* nocapture, i8, i32, i1) nounwind | 
|  | declare void @llvm.memset.p0i8.i64(i8* nocapture, i8, i64, i1) nounwind |