1; Check that not only do we warn about clobbering x19 we also say 2; what it is used for. 3 4; RUN: llc <%s -mtriple=aarch64 2>&1 | FileCheck %s 5 6; CHECK: warning: inline asm clobber list contains reserved registers: X19 7; CHECK-NEXT: note: Reserved registers on the clobber list 8; CHECK-NEXT: note: X19 is used as the frame base pointer register. 9; CHECK-NEXT: note: X19 is used as the frame base pointer register. 10 11define void @alloca(i64 %size) { 12entry: 13 %a = alloca i128, i64 %size, align 64 14 call void asm sideeffect "nop", "~{x19},~{w19}"() 15 ret void 16} 17 18