1; Check that `getRegForInlineAsmConstraint` does not crash on empty Constraint.
2; RUN: llc -march=mips64 < %s | FileCheck %s
3
4define void @foo() {
5entry:
6  %s = alloca i32, align 4
7  %x = alloca i32, align 4
8  call void asm "", "=*imr,=*m,0,*m,~{$1}"(i32* %x, i32* %s, i32* %x, i32* %s)
9
10; CHECK: #APP
11; CHECK: #NO_APP
12
13  ret void
14}
15