; RUN: llc < %s -march=arm64 | 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* %c, i8 0, i64 12, i32 8, i1 false) ret void } define void @t2() nounwind ssp { entry: ; CHECK-LABEL: t2: ; CHECK: strh wzr, [sp, #32] ; CHECK: stp xzr, xzr, [sp, #16] ; 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, i32 1, 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, i32, i1) nounwind declare void @llvm.memset.p0i8.i64(i8* nocapture, i8, i64, i32, i1) nounwind