File: 2010-03-09-indirect-call.ll

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llvm-toolchain-16 1%3A16.0.6-15~deb12u1
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; RUN: llc -verify-machineinstrs < %s -mtriple=powerpc-unknown-linux-gnu | FileCheck %s
; ModuleID = 'nn.c'
target datalayout = "E-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f128:64:128"
target triple = "powerpc-unknown-linux-gnu"
; Indirect calls must use R3 on powerpc (i.e., R3 must contain the address of
; the function being called; the mtctr is not required to use it).

@p = external global ptr                  ; <ptr> [#uses=1]

define void @foo() nounwind ssp {
entry:
; CHECK: mtctr 3
; CHECK: bctrl
  %0 = load ptr, ptr @p, align 4              ; <ptr> [#uses=1]
  call void (...) %0() nounwind
  br label %return

return:                                           ; preds = %entry
  ret void
}