llvm-6502/test/CodeGen/ARM/2010-11-29-PrologueBug.ll

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; RUN: llc < %s -mtriple=armv7-apple-darwin | FileCheck %s --check-prefix=ARM
; RUN: llc < %s -mtriple=thumbv7-apple-darwin | FileCheck %s --check-prefix=THUMB2
; rdar://8690640
define i32* @t(i32* %x) nounwind {
entry:
; ARM: t:
; ARM: push
; ARM: mov r7, sp
; ARM: bl _foo
; ARM: bl _foo
; ARM: bl _foo
; ARM: ldmia sp!, {r7, pc}
; THUMB2: t:
; THUMB2: push
; THUMB2: mov r7, sp
; THUMB2: blx _foo
; THUMB2: blx _foo
; THUMB2: blx _foo
; THUMB2: pop
%0 = tail call i32* @foo(i32* %x) nounwind
%1 = tail call i32* @foo(i32* %0) nounwind
%2 = tail call i32* @foo(i32* %1) nounwind
ret i32* %2
}
declare i32* @foo(i32*)