[ARM64] Rename FP to the UAL-compliant 'X29'.

llvm-svn: 205884
diff --git a/llvm/test/CodeGen/ARM64/hello.ll b/llvm/test/CodeGen/ARM64/hello.ll
index f870fff..06efacb 100644
--- a/llvm/test/CodeGen/ARM64/hello.ll
+++ b/llvm/test/CodeGen/ARM64/hello.ll
@@ -2,27 +2,27 @@
 ; RUN: llc < %s -mtriple=arm64-linux-gnu | FileCheck %s --check-prefix=CHECK-LINUX
 
 ; CHECK-LABEL: main:
-; CHECK:	stp	fp, lr, [sp, #-16]!
-; CHECK-NEXT:	mov	fp, sp
+; CHECK:	stp	x29, lr, [sp, #-16]!
+; CHECK-NEXT:	mov	x29, sp
 ; CHECK-NEXT:	sub	sp, sp, #16
-; CHECK-NEXT:	stur	wzr, [fp, #-4]
+; CHECK-NEXT:	stur	wzr, [x29, #-4]
 ; CHECK:	adrp	x0, L_.str@PAGE
 ; CHECK:	add	x0, x0, L_.str@PAGEOFF
 ; CHECK-NEXT:	bl	_puts
-; CHECK-NEXT:	mov	sp, fp
-; CHECK-NEXT:	ldp	fp, lr, [sp], #16
+; CHECK-NEXT:	mov	sp, x29
+; CHECK-NEXT:	ldp	x29, lr, [sp], #16
 ; CHECK-NEXT:	ret
 
 ; CHECK-LINUX-LABEL: main:
-; CHECK-LINUX:	stp	fp, lr, [sp, #-16]!
-; CHECK-LINUX-NEXT:	mov	fp, sp
+; CHECK-LINUX:	stp	x29, lr, [sp, #-16]!
+; CHECK-LINUX-NEXT:	mov	x29, sp
 ; CHECK-LINUX-NEXT:	sub	sp, sp, #16
-; CHECK-LINUX-NEXT:	stur	wzr, [fp, #-4]
+; CHECK-LINUX-NEXT:	stur	wzr, [x29, #-4]
 ; CHECK-LINUX:	adrp	x0, .L.str
 ; CHECK-LINUX:	add	x0, x0, :lo12:.L.str
 ; CHECK-LINUX-NEXT:	bl	puts
-; CHECK-LINUX-NEXT:	mov	sp, fp
-; CHECK-LINUX-NEXT:	ldp	fp, lr, [sp], #16
+; CHECK-LINUX-NEXT:	mov	sp, x29
+; CHECK-LINUX-NEXT:	ldp	x29, lr, [sp], #16
 ; CHECK-LINUX-NEXT:	ret
 
 @.str = private unnamed_addr constant [7 x i8] c"hello\0A\00"