llvm-6502/test/CodeGen/ARM/call-tc.ll

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; RUN: llc < %s -march=arm | FileCheck %s -check-prefix=CHECKV4
; RUN: llc < %s -march=arm -mattr=+v5t | FileCheck %s -check-prefix=CHECKV5
; RUN: llc < %s -march=arm -mtriple=arm-linux-gnueabi\
; RUN: -relocation-model=pic | 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: PLT
call void @g( i32 1, i32 2, i32 3, i32 4 )
ret void
}
define void @t2() {
; CHECKV4: t2:
; CHECKV4: bx r0 @ TAILCALL
; CHECKV5: t2:
; CHECKV5: bx r0 @ TAILCALL
%tmp = load i32 ()** @t ; <i32 ()*> [#uses=1]
%tmp.upgrd.2 = tail call i32 %tmp( ) ; <i32> [#uses=0]
ret void
}
define i32* @t3(i32, i32, i32*, i32*, i32*) nounwind {
; CHECKV4: t3:
; CHECKV4: bx r{{.*}}
BB0:
%5 = inttoptr i32 %0 to i32* ; <i32*> [#uses=1]
%t35 = volatile load i32* %5 ; <i32> [#uses=1]
%6 = inttoptr i32 %t35 to i32** ; <i32**> [#uses=1]
%7 = getelementptr i32** %6, i32 86 ; <i32**> [#uses=1]
%8 = load i32** %7 ; <i32*> [#uses=1]
%9 = bitcast i32* %8 to i32* (i32, i32*, i32, i32*, i32*, i32*)* ; <i32* (i32, i32*, i32, i32*, i32*, i32*)*> [#uses=1]
%10 = call i32* %9(i32 %0, i32* null, i32 %1, i32* %2, i32* %3, i32* %4) ; <i32*> [#uses=1]
ret i32* %10
}