mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-09-10 06:54:54 +00:00
ca6fd009ad
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128680 91177308-0d34-0410-b5e6-96231b3b80d8
30 lines
754 B
LLVM
30 lines
754 B
LLVM
; RUN: llc < %s -mtriple=arm-apple-darwin -regalloc=linearscan | FileCheck %s
|
|
; RUN: llc < %s -mtriple=thumbv6-apple-darwin -regalloc=linearscan | FileCheck %s
|
|
; rdar://8015977
|
|
; rdar://8020118
|
|
|
|
; This test needs the reserved register r7 to be coalesced into the ldr.
|
|
; So far, only linear scan can do that.
|
|
|
|
define i8* @rt0(i32 %x) nounwind readnone {
|
|
entry:
|
|
; CHECK: rt0:
|
|
; CHECK: {r7, lr}
|
|
; CHECK: mov r0, lr
|
|
%0 = tail call i8* @llvm.returnaddress(i32 0)
|
|
ret i8* %0
|
|
}
|
|
|
|
define i8* @rt2() nounwind readnone {
|
|
entry:
|
|
; CHECK: rt2:
|
|
; CHECK: {r7, lr}
|
|
; CHECK: ldr r[[R0:[0-9]+]], [r7]
|
|
; CHECK: ldr r0, [r0]
|
|
; CHECK: ldr r0, [r0, #4]
|
|
%0 = tail call i8* @llvm.returnaddress(i32 2)
|
|
ret i8* %0
|
|
}
|
|
|
|
declare i8* @llvm.returnaddress(i32) nounwind readnone
|