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; RUN: llc < %s -mtriple=armv6-apple-darwin -mattr=+vfp2 -arm-tail-calls | FileCheck %s -check-prefix=CHECKV6
; RUN: llc < %s -mtriple=armv6-linux-gnueabi -relocation-model=pic -mattr=+vfp2 -arm-tail-calls | FileCheck %s -check-prefix=CHECKELF
@t = weak global i32 ()* null ; <i32 ()**> [#uses=1]
declare void @g(i32, i32, i32, i32)
define void @t1() {
; CHECKELF: t1:
; CHECKELF: bl g(PLT)
call void @g( i32 1, i32 2, i32 3, i32 4 )
ret void
}
define void @t2() {
; CHECKV6: t2:
; CHECKV6: bx r0 @ TAILCALL
%tmp = load i32 ()** @t ; <i32 ()*> [#uses=1]
%tmp.upgrd.2 = tail call i32 %tmp( ) ; <i32> [#uses=0]
ret void
}
define void @t3() {
; CHECKV6: t3:
; CHECKV6: b _t2 @ TAILCALL
; CHECKELF: t3:
; CHECKELF: b t2(PLT) @ TAILCALL
tail call void @t2( ) ; <i32> [#uses=0]
ret void
}
; Sibcall optimization of expanded libcalls. rdar://8707777
define double @t4(double %a) nounwind readonly ssp {
entry:
; CHECKV6: t4:
; CHECKV6: b _sin @ TAILCALL
; CHECKELF: t4:
; CHECKELF: b sin(PLT) @ TAILCALL
%0 = tail call double @sin(double %a) nounwind readonly ; <double> [#uses=1]
ret double %0
}
define float @t5(float %a) nounwind readonly ssp {
entry:
; CHECKV6: t5:
; CHECKV6: b _sinf @ TAILCALL
; CHECKELF: t5:
; CHECKELF: b sinf(PLT) @ TAILCALL
%0 = tail call float @sinf(float %a) nounwind readonly ; <float> [#uses=1]
ret float %0
}
declare float @sinf(float) nounwind readonly
declare double @sin(double) nounwind readonly
define i32 @t6(i32 %a, i32 %b) nounwind readnone {
entry:
; CHECKV6: t6:
; CHECKV6: b ___divsi3 @ TAILCALL
; CHECKELF: t6:
; CHECKELF: b __aeabi_idiv(PLT) @ TAILCALL
%0 = sdiv i32 %a, %b
ret i32 %0
}
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