mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-12-21 00:32:23 +00:00
ac096808a3
Also added a test case to check for the added benefit of this patch: it's optimizing away the unnecessary restore of sp from fp for some non-leaf functions. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110707 91177308-0d34-0410-b5e6-96231b3b80d8
36 lines
723 B
LLVM
36 lines
723 B
LLVM
; RUN: llc < %s -mtriple=thumb-apple-darwin | FileCheck %s
|
|
|
|
define void @test1() {
|
|
; CHECK: test1:
|
|
; CHECK: sub sp, #256
|
|
; CHECK: add sp, #256
|
|
%tmp = alloca [ 64 x i32 ] , align 4
|
|
ret void
|
|
}
|
|
|
|
define void @test2() {
|
|
; CHECK: test2:
|
|
; CHECK: ldr r0, LCPI
|
|
; CHECK: add sp, r0
|
|
; CHECK: mov sp, r7
|
|
; CHECK: sub sp, #4
|
|
%tmp = alloca [ 4168 x i8 ] , align 4
|
|
ret void
|
|
}
|
|
|
|
define i32 @test3() {
|
|
; CHECK: test3:
|
|
; CHECK: ldr r1, LCPI
|
|
; CHECK: add sp, r1
|
|
; CHECK: ldr r1, LCPI
|
|
; CHECK: add r1, sp
|
|
; CHECK: mov sp, r7
|
|
; CHECK: sub sp, #4
|
|
%retval = alloca i32, align 4
|
|
%tmp = alloca i32, align 4
|
|
%a = alloca [805306369 x i8], align 16
|
|
store i32 0, i32* %tmp
|
|
%tmp1 = load i32* %tmp
|
|
ret i32 %tmp1
|
|
}
|