| ; RUN: llc < %s -mtriple=arm64-apple-ios7.0 | FileCheck %s | 
 | ; RUN: llc -global-isel < %s -mtriple=arm64-apple-ios7.0 | FileCheck %s | 
 |  | 
 | @t = weak global i32 ()* null | 
 | @x = external global i32, align 4 | 
 |  | 
 | define void @t2() { | 
 | ; CHECK-LABEL: t2: | 
 | ; CHECK: adrp	x[[GOTADDR:[0-9]+]], _t@GOTPAGE | 
 | ; CHECK: ldr	x[[ADDR:[0-9]+]], [x[[GOTADDR]], _t@GOTPAGEOFF] | 
 | ; CHECK: ldr	x[[DEST:[0-9]+]], [x[[ADDR]]] | 
 | ; CHECK: br	x[[DEST]] | 
 |   %tmp = load i32 ()*, i32 ()** @t | 
 |   %tmp.upgrd.2 = tail call i32 %tmp() | 
 |   ret void | 
 | } | 
 |  | 
 | define void @t3() { | 
 | ; CHECK-LABEL: t3: | 
 | ; CHECK: b	_t2 | 
 |   tail call void @t2() | 
 |   ret void | 
 | } | 
 |  | 
 | define double @t4(double %a) nounwind readonly ssp { | 
 | ; CHECK-LABEL: t4: | 
 | ; CHECK: b	_sin | 
 |   %tmp = tail call double @sin(double %a) nounwind readonly | 
 |   ret double %tmp | 
 | } | 
 |  | 
 | define float @t5(float %a) nounwind readonly ssp { | 
 | ; CHECK-LABEL: t5: | 
 | ; CHECK: b	_sinf | 
 |   %tmp = tail call float @sinf(float %a) nounwind readonly | 
 |   ret float %tmp | 
 | } | 
 |  | 
 | define void @t7() nounwind { | 
 | ; CHECK-LABEL: t7: | 
 | ; CHECK: b	_foo | 
 | ; CHECK: b	_bar | 
 |  | 
 |   br i1 undef, label %bb, label %bb1.lr.ph | 
 |  | 
 | bb1.lr.ph:                                        ; preds = %entry | 
 |   tail call void @bar() nounwind | 
 |   ret void | 
 |  | 
 | bb:                                               ; preds = %entry | 
 |   tail call void @foo() nounwind | 
 |   ret void | 
 | } | 
 |  | 
 | define i32 @t8(i32 %x) nounwind ssp { | 
 | ; CHECK-LABEL: t8: | 
 | ; CHECK: b	_c | 
 | ; CHECK: b	_a | 
 | ; CHECK: b	_b | 
 |   %and = and i32 %x, 1 | 
 |   %tobool = icmp eq i32 %and, 0 | 
 |   br i1 %tobool, label %if.end, label %if.then | 
 |  | 
 | if.then:                                          ; preds = %entry | 
 |   %call = tail call i32 @a(i32 %x) nounwind | 
 |   br label %return | 
 |  | 
 | if.end:                                           ; preds = %entry | 
 |   %and1 = and i32 %x, 2 | 
 |   %tobool2 = icmp eq i32 %and1, 0 | 
 |   br i1 %tobool2, label %if.end5, label %if.then3 | 
 |  | 
 | if.then3:                                         ; preds = %if.end | 
 |   %call4 = tail call i32 @b(i32 %x) nounwind | 
 |   br label %return | 
 |  | 
 | if.end5:                                          ; preds = %if.end | 
 |   %call6 = tail call i32 @c(i32 %x) nounwind | 
 |   br label %return | 
 |  | 
 | return:                                           ; preds = %if.end5, %if.then3, %if.then | 
 |   %retval.0 = phi i32 [ %call, %if.then ], [ %call4, %if.then3 ], [ %call6, %if.end5 ] | 
 |   ret i32 %retval.0 | 
 | } | 
 |  | 
 | declare float @sinf(float) nounwind readonly | 
 | declare double @sin(double) nounwind readonly | 
 | declare void @bar() nounwind | 
 | declare void @foo() nounwind | 
 | declare i32 @a(i32) | 
 | declare i32 @b(i32) | 
 | declare i32 @c(i32) | 
 |  | 
 | ; CHECK-LABEL: tswift: | 
 | ; CHECK: b _swiftfunc | 
 | define swiftcc i32 @tswift(i32 %a) nounwind { | 
 |   %res = tail call i32 @swiftfunc(i32 %a) | 
 |   ret i32 %res | 
 | } | 
 |  | 
 | declare swiftcc i32 @swiftfunc(i32) nounwind |