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llvm-mirror/test/CodeGen/PowerPC/2010-03-09-indirect-call.ll
Dale Johannesen 4b8f3692f4 The address of an indirect call must be in R12 on Darwin.
Make it so.  (This patch is in LowerCall_Darwin, which seems
to be used by SVR4 code as well; since that doesn't belong here,
I haven't worried about this case.)

llvm-svn: 98077
2010-03-09 20:15:42 +00:00

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LLVM

; RUN: llc < %s -march=ppc32 -mcpu=g5 -mtriple=powerpc-apple-darwin10.0 | 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-apple-darwin11.0"
; Indirect calls must use R12 on Darwin (i.e., R12 must contain the address of
; the function being called; the mtctr is not required to use it).
@p = external global void (...)* ; <void (...)**> [#uses=1]
define void @foo() nounwind ssp {
entry:
; CHECK: mtctr r12
%0 = load void (...)** @p, align 4 ; <void (...)*> [#uses=1]
call void (...)* %0() nounwind
br label %return
return: ; preds = %entry
ret void
}