| Tim Northover | 52d3283 | 2014-04-22 12:45:47 +0000 | [diff] [blame^] | 1 | ; RUN: llc -verify-machineinstrs -mtriple=arm64-none-linux-gnu -disable-fp-elim < %s | FileCheck %s |
| 2 | declare void @use_addr(i8*) |
| 3 | |
| 4 | @addr = global i8* null |
| 5 | |
| 6 | define void @test_bigframe() { |
| 7 | ; CHECK-LABEL: test_bigframe: |
| 8 | ; CHECK: .cfi_startproc |
| 9 | |
| 10 | %var1 = alloca i8, i32 20000000 |
| 11 | %var2 = alloca i8, i32 16 |
| 12 | %var3 = alloca i8, i32 20000000 |
| 13 | |
| 14 | ; CHECK: sub sp, sp, #16773120 |
| 15 | ; CHECK: sub sp, sp, #16773120 |
| 16 | ; CHECK: sub sp, sp, #6451200 |
| 17 | ; CHECK: sub sp, sp, #2576 |
| 18 | ; CHECK: .cfi_def_cfa_offset 40000032 |
| 19 | |
| 20 | |
| 21 | ; CHECK: add [[TMP:x[0-9]+]], sp, #16773120 |
| 22 | ; CHECK: add [[TMP1:x[0-9]+]], [[TMP]], #3223552 |
| 23 | ; CHECK: add {{x[0-9]+}}, [[TMP1]], #3344 |
| 24 | store volatile i8* %var1, i8** @addr |
| 25 | |
| 26 | %var1plus2 = getelementptr i8* %var1, i32 2 |
| 27 | store volatile i8* %var1plus2, i8** @addr |
| 28 | |
| 29 | ; CHECK: add [[TMP:x[0-9]+]], sp, #16773120 |
| 30 | ; CHECK: add [[TMP1:x[0-9]+]], [[TMP]], #3223552 |
| 31 | ; CHECK: add {{x[0-9]+}}, [[TMP1]], #3328 |
| 32 | store volatile i8* %var2, i8** @addr |
| 33 | |
| 34 | %var2plus2 = getelementptr i8* %var2, i32 2 |
| 35 | store volatile i8* %var2plus2, i8** @addr |
| 36 | |
| 37 | store volatile i8* %var3, i8** @addr |
| 38 | |
| 39 | %var3plus2 = getelementptr i8* %var3, i32 2 |
| 40 | store volatile i8* %var3plus2, i8** @addr |
| 41 | |
| 42 | ; CHECK: add sp, sp, #16773120 |
| 43 | ; CHECK: add sp, sp, #16773120 |
| 44 | ; CHECK: add sp, sp, #6451200 |
| 45 | ; CHECK: add sp, sp, #2576 |
| 46 | ; CHECK: .cfi_endproc |
| 47 | ret void |
| 48 | } |
| 49 | |
| 50 | define void @test_mediumframe() { |
| 51 | ; CHECK-LABEL: test_mediumframe: |
| 52 | %var1 = alloca i8, i32 1000000 |
| 53 | %var2 = alloca i8, i32 16 |
| 54 | %var3 = alloca i8, i32 1000000 |
| 55 | ; CHECK: sub sp, sp, #1998848 |
| 56 | ; CHECK-NEXT: sub sp, sp, #1168 |
| 57 | |
| 58 | store volatile i8* %var1, i8** @addr |
| 59 | ; CHECK: add [[VAR1ADDR:x[0-9]+]], sp, #999424 |
| 60 | ; CHECK: add [[VAR1ADDR]], [[VAR1ADDR]], #592 |
| 61 | |
| 62 | ; CHECK: add [[VAR2ADDR:x[0-9]+]], sp, #999424 |
| 63 | ; CHECK: add [[VAR2ADDR]], [[VAR2ADDR]], #576 |
| 64 | |
| 65 | store volatile i8* %var2, i8** @addr |
| 66 | ; CHECK: add sp, sp, #1998848 |
| 67 | ; CHECK: add sp, sp, #1168 |
| 68 | ret void |
| 69 | } |