llvm-6502/test/CodeGen/ARM64/aarch64-large-frame.ll
2014-04-22 12:45:47 +00:00

70 lines
1.8 KiB
LLVM

; RUN: llc -verify-machineinstrs -mtriple=arm64-none-linux-gnu -disable-fp-elim < %s | FileCheck %s
declare void @use_addr(i8*)
@addr = global i8* null
define void @test_bigframe() {
; CHECK-LABEL: test_bigframe:
; CHECK: .cfi_startproc
%var1 = alloca i8, i32 20000000
%var2 = alloca i8, i32 16
%var3 = alloca i8, i32 20000000
; CHECK: sub sp, sp, #16773120
; CHECK: sub sp, sp, #16773120
; CHECK: sub sp, sp, #6451200
; CHECK: sub sp, sp, #2576
; CHECK: .cfi_def_cfa_offset 40000032
; CHECK: add [[TMP:x[0-9]+]], sp, #16773120
; CHECK: add [[TMP1:x[0-9]+]], [[TMP]], #3223552
; CHECK: add {{x[0-9]+}}, [[TMP1]], #3344
store volatile i8* %var1, i8** @addr
%var1plus2 = getelementptr i8* %var1, i32 2
store volatile i8* %var1plus2, i8** @addr
; CHECK: add [[TMP:x[0-9]+]], sp, #16773120
; CHECK: add [[TMP1:x[0-9]+]], [[TMP]], #3223552
; CHECK: add {{x[0-9]+}}, [[TMP1]], #3328
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: add sp, sp, #16773120
; CHECK: add sp, sp, #16773120
; CHECK: add sp, sp, #6451200
; CHECK: add sp, sp, #2576
; CHECK: .cfi_endproc
ret void
}
define void @test_mediumframe() {
; CHECK-LABEL: test_mediumframe:
%var1 = alloca i8, i32 1000000
%var2 = alloca i8, i32 16
%var3 = alloca i8, i32 1000000
; CHECK: sub sp, sp, #1998848
; CHECK-NEXT: sub sp, sp, #1168
store volatile i8* %var1, i8** @addr
; CHECK: add [[VAR1ADDR:x[0-9]+]], sp, #999424
; CHECK: add [[VAR1ADDR]], [[VAR1ADDR]], #592
; CHECK: add [[VAR2ADDR:x[0-9]+]], sp, #999424
; CHECK: add [[VAR2ADDR]], [[VAR2ADDR]], #576
store volatile i8* %var2, i8** @addr
; CHECK: add sp, sp, #1998848
; CHECK: add sp, sp, #1168
ret void
}