File: reserved-regs-unavailable.ll

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llvm-toolchain-19 1%3A19.1.7-3~deb12u1
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; RUN: not --crash llc -mtriple=sparc64-linux-gnu -o - %s 2>&1 | FileCheck %s --check-prefixes=CHECK-RESERVED-L0

;; Ensure explicit register references for non-reserved registers
;; are caught properly.

; CHECK-RESERVED-L0: LLVM ERROR: Invalid register name global variable
define void @set_reg(i32 zeroext %x) {
entry:
  tail call void @llvm.write_register.i32(metadata !0, i32 %x)
  ret void
}

declare void @llvm.write_register.i32(metadata, i32)
!0 = !{!"l0"}