; RUN: llc -mattr=+reserved-r19 -march=hexagon < %s | FileCheck %s define dso_local i32 @r19f() #0 { entry: %0 = call i32 @llvm.read_register.i32(metadata !0) ret i32 %0 } declare i32 @llvm.read_register.i32(metadata) #1 !llvm.named.register.r19 = !{!0} !0 = !{!"r19"} ; CHECK: r0 = r19