mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2025-02-22 13:29:44 +00:00
7bc8414ee9
Only Linux is supported at the moment, and other platforms quickly fault. As a result these tests would fail on non-Linux hosts. It may be worth making the tests more generic again as more platforms are supported. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174170 91177308-0d34-0410-b5e6-96231b3b80d8
118 lines
3.1 KiB
LLVM
118 lines
3.1 KiB
LLVM
; RUN: llc -verify-machineinstrs -mtriple=aarch64-none-linux-gnu < %s | FileCheck %s
|
|
declare void @use_addr(i8*)
|
|
|
|
@addr = global i8* null
|
|
|
|
define void @test_bigframe() {
|
|
; CHECK: test_bigframe:
|
|
|
|
%var1 = alloca i8, i32 20000000
|
|
%var2 = alloca i8, i32 16
|
|
%var3 = alloca i8, i32 20000000
|
|
; CHECK: sub sp, sp, #496
|
|
; CHECK: str x30, [sp, #488]
|
|
; CHECK: ldr [[FRAMEOFFSET:x[0-9]+]], [[FRAMEOFFSET_CPI:.LCPI0_[0-9]+]]
|
|
; CHECK: sub sp, sp, [[FRAMEOFFSET]]
|
|
|
|
; CHECK: ldr [[VAR1OFFSET:x[0-9]+]], [[VAR1LOC_CPI:.LCPI0_[0-9]+]]
|
|
; CHECK: add {{x[0-9]+}}, sp, [[VAR1OFFSET]]
|
|
store volatile i8* %var1, i8** @addr
|
|
|
|
%var1plus2 = getelementptr i8* %var1, i32 2
|
|
store volatile i8* %var1plus2, i8** @addr
|
|
|
|
; CHECK: ldr [[VAR2OFFSET:x[0-9]+]], [[VAR2LOC_CPI:.LCPI0_[0-9]+]]
|
|
; CHECK: add {{x[0-9]+}}, sp, [[VAR2OFFSET]]
|
|
store volatile i8* %var2, i8** @addr
|
|
|
|
%var2plus2 = getelementptr i8* %var2, i32 2
|
|
store volatile i8* %var2plus2, i8** @addr
|
|
|
|
store volatile i8* %var3, i8** @addr
|
|
|
|
%var3plus2 = getelementptr i8* %var3, i32 2
|
|
store volatile i8* %var3plus2, i8** @addr
|
|
|
|
; CHECK: ldr [[FRAMEOFFSET:x[0-9]+]], [[FRAMEOFFSET_CPI]]
|
|
; CHECK: add sp, sp, [[FRAMEOFFSET]]
|
|
ret void
|
|
|
|
; CHECK: [[FRAMEOFFSET_CPI]]:
|
|
; CHECK-NEXT: 39999536
|
|
|
|
; CHECK: [[VAR1LOC_CPI]]:
|
|
; CHECK-NEXT: 20000024
|
|
|
|
; CHECK: [[VAR2LOC_CPI]]:
|
|
; CHECK-NEXT: 20000008
|
|
}
|
|
|
|
define void @test_mediumframe() {
|
|
; CHECK: test_mediumframe:
|
|
%var1 = alloca i8, i32 1000000
|
|
%var2 = alloca i8, i32 16
|
|
%var3 = alloca i8, i32 1000000
|
|
; CHECK: sub sp, sp, #496
|
|
; CHECK: str x30, [sp, #488]
|
|
; CHECK: sub sp, sp, #688
|
|
; CHECK-NEXT: sub sp, sp, #488, lsl #12
|
|
|
|
store volatile i8* %var1, i8** @addr
|
|
; CHECK: add [[VAR1ADDR:x[0-9]+]], sp, #600
|
|
; CHECK: add [[VAR1ADDR]], [[VAR1ADDR]], #244, lsl #12
|
|
|
|
%var1plus2 = getelementptr i8* %var1, i32 2
|
|
store volatile i8* %var1plus2, i8** @addr
|
|
; CHECK: add [[VAR1PLUS2:x[0-9]+]], {{x[0-9]+}}, #2
|
|
|
|
store volatile i8* %var2, i8** @addr
|
|
; CHECK: add [[VAR2ADDR:x[0-9]+]], sp, #584
|
|
; CHECK: add [[VAR2ADDR]], [[VAR2ADDR]], #244, lsl #12
|
|
|
|
%var2plus2 = getelementptr i8* %var2, i32 2
|
|
store volatile i8* %var2plus2, i8** @addr
|
|
; CHECK: add [[VAR2PLUS2:x[0-9]+]], {{x[0-9]+}}, #2
|
|
|
|
store volatile i8* %var3, i8** @addr
|
|
|
|
%var3plus2 = getelementptr i8* %var3, i32 2
|
|
store volatile i8* %var3plus2, i8** @addr
|
|
|
|
; CHECK: add sp, sp, #688
|
|
; CHECK: add sp, sp, #488, lsl #12
|
|
; CHECK: ldr x30, [sp, #488]
|
|
; CHECK: add sp, sp, #496
|
|
ret void
|
|
}
|
|
|
|
|
|
@bigspace = global [8 x i64] zeroinitializer
|
|
|
|
; If temporary registers are allocated for adjustment, they should *not* clobber
|
|
; argument registers.
|
|
define void @test_tempallocation([8 x i64] %val) nounwind {
|
|
; CHECK: test_tempallocation:
|
|
%var = alloca i8, i32 1000000
|
|
; CHECK: sub sp, sp,
|
|
|
|
; Make sure the prologue is reasonably efficient
|
|
; CHECK-NEXT: stp x29, x30, [sp,
|
|
; CHECK-NEXT: stp x25, x26, [sp,
|
|
; CHECK-NEXT: stp x23, x24, [sp,
|
|
; CHECK-NEXT: stp x21, x22, [sp,
|
|
; CHECK-NEXT: stp x19, x20, [sp,
|
|
|
|
; Make sure we don't trash an argument register
|
|
; CHECK-NOT: ldr {{x[0-7]}}, .LCPI1
|
|
; CHECK: sub sp, sp,
|
|
|
|
; CHECK-NOT: ldr {{x[0-7]}}, .LCPI1
|
|
|
|
; CHECK: bl use_addr
|
|
call void @use_addr(i8* %var)
|
|
|
|
store [8 x i64] %val, [8 x i64]* @bigspace
|
|
ret void
|
|
; CHECK: ret
|
|
}
|