1 ; RUN: llc < %s -march=arm64 | FileCheck %s 2 3 define void @t1(i8* nocapture %c) nounwind optsize { 4 entry: 5 ; CHECK-LABEL: t1: 6 ; CHECK: str wzr, [x0, #8] 7 ; CHECK: str xzr, [x0] 8 call void @llvm.memset.p0i8.i64(i8* %c, i8 0, i64 12, i32 8, i1 false) 9 ret void 10 } 11 12 define void @t2() nounwind ssp { 13 entry: 14 ; CHECK-LABEL: t2: 15 ; CHECK: strh wzr, [sp, #32] 16 ; CHECK: stp xzr, xzr, [sp, #16] 17 ; CHECK: str xzr, [sp, #8] 18 %buf = alloca [26 x i8], align 1 19 %0 = getelementptr inbounds [26 x i8], [26 x i8]* %buf, i32 0, i32 0 20 call void @llvm.memset.p0i8.i32(i8* %0, i8 0, i32 26, i32 1, i1 false) 21 call void @something(i8* %0) nounwind 22 ret void 23 } 24 25 declare void @something(i8*) nounwind 26 declare void @llvm.memset.p0i8.i32(i8* nocapture, i8, i32, i32, i1) nounwind 27 declare void @llvm.memset.p0i8.i64(i8* nocapture, i8, i64, i32, i1) nounwind 28