| Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame^] | 1 | ; RUN: llc -verify-machineinstrs < %s -march=aarch64 -tailcallopt | FileCheck %s -check-prefix CHECK-TAIL |
| 2 | ; RUN: llc -verify-machineinstrs < %s -march=aarch64 | FileCheck %s |
| 3 | |
| 4 | ; Without tailcallopt fastcc still means the caller cleans up the |
| 5 | ; stack, so try to make sure this is respected. |
| 6 | |
| 7 | define fastcc void @func_stack0() { |
| 8 | ; CHECK: func_stack0: |
| 9 | ; CHECK: sub sp, sp, #48 |
| 10 | |
| 11 | ; CHECK-TAIL: func_stack0: |
| 12 | ; CHECK-TAIL: sub sp, sp, #48 |
| 13 | |
| 14 | |
| 15 | call fastcc void @func_stack8([8 x i32] undef, i32 42) |
| 16 | ; CHECK: bl func_stack8 |
| 17 | ; CHECK-NOT: sub sp, sp, |
| 18 | |
| 19 | ; CHECK-TAIL: bl func_stack8 |
| 20 | ; CHECK-TAIL: sub sp, sp, #16 |
| 21 | |
| 22 | |
| 23 | call fastcc void @func_stack32([8 x i32] undef, i128 0, i128 9) |
| 24 | ; CHECK: bl func_stack32 |
| 25 | ; CHECK-NOT: sub sp, sp, |
| 26 | |
| 27 | ; CHECK-TAIL: bl func_stack32 |
| 28 | ; CHECK-TAIL: sub sp, sp, #32 |
| 29 | |
| 30 | |
| 31 | call fastcc void @func_stack0() |
| 32 | ; CHECK: bl func_stack0 |
| 33 | ; CHECK-NOT: sub sp, sp |
| 34 | |
| 35 | ; CHECK-TAIL: bl func_stack0 |
| 36 | ; CHECK-TAIL-NOT: sub sp, sp |
| 37 | |
| 38 | ret void |
| 39 | ; CHECK: add sp, sp, #48 |
| 40 | ; CHECK-NEXT: ret |
| 41 | |
| 42 | ; CHECK-TAIL: add sp, sp, #48 |
| 43 | ; CHECK-TAIL-NEXT: ret |
| 44 | |
| 45 | } |
| 46 | |
| 47 | define fastcc void @func_stack8([8 x i32], i32 %stacked) { |
| 48 | ; CHECK: func_stack8: |
| 49 | ; CHECK: sub sp, sp, #48 |
| 50 | |
| 51 | ; CHECK-TAIL: func_stack8: |
| 52 | ; CHECK-TAIL: sub sp, sp, #48 |
| 53 | |
| 54 | |
| 55 | call fastcc void @func_stack8([8 x i32] undef, i32 42) |
| 56 | ; CHECK: bl func_stack8 |
| 57 | ; CHECK-NOT: sub sp, sp, |
| 58 | |
| 59 | ; CHECK-TAIL: bl func_stack8 |
| 60 | ; CHECK-TAIL: sub sp, sp, #16 |
| 61 | |
| 62 | |
| 63 | call fastcc void @func_stack32([8 x i32] undef, i128 0, i128 9) |
| 64 | ; CHECK: bl func_stack32 |
| 65 | ; CHECK-NOT: sub sp, sp, |
| 66 | |
| 67 | ; CHECK-TAIL: bl func_stack32 |
| 68 | ; CHECK-TAIL: sub sp, sp, #32 |
| 69 | |
| 70 | |
| 71 | call fastcc void @func_stack0() |
| 72 | ; CHECK: bl func_stack0 |
| 73 | ; CHECK-NOT: sub sp, sp |
| 74 | |
| 75 | ; CHECK-TAIL: bl func_stack0 |
| 76 | ; CHECK-TAIL-NOT: sub sp, sp |
| 77 | |
| 78 | ret void |
| 79 | ; CHECK: add sp, sp, #48 |
| 80 | ; CHECK-NEXT: ret |
| 81 | |
| 82 | ; CHECK-TAIL: add sp, sp, #64 |
| 83 | ; CHECK-TAIL-NEXT: ret |
| 84 | } |
| 85 | |
| 86 | define fastcc void @func_stack32([8 x i32], i128 %stacked0, i128 %stacked1) { |
| 87 | ; CHECK: func_stack32: |
| 88 | ; CHECK: sub sp, sp, #48 |
| 89 | |
| 90 | ; CHECK-TAIL: func_stack32: |
| 91 | ; CHECK-TAIL: sub sp, sp, #48 |
| 92 | |
| 93 | |
| 94 | call fastcc void @func_stack8([8 x i32] undef, i32 42) |
| 95 | ; CHECK: bl func_stack8 |
| 96 | ; CHECK-NOT: sub sp, sp, |
| 97 | |
| 98 | ; CHECK-TAIL: bl func_stack8 |
| 99 | ; CHECK-TAIL: sub sp, sp, #16 |
| 100 | |
| 101 | |
| 102 | call fastcc void @func_stack32([8 x i32] undef, i128 0, i128 9) |
| 103 | ; CHECK: bl func_stack32 |
| 104 | ; CHECK-NOT: sub sp, sp, |
| 105 | |
| 106 | ; CHECK-TAIL: bl func_stack32 |
| 107 | ; CHECK-TAIL: sub sp, sp, #32 |
| 108 | |
| 109 | |
| 110 | call fastcc void @func_stack0() |
| 111 | ; CHECK: bl func_stack0 |
| 112 | ; CHECK-NOT: sub sp, sp |
| 113 | |
| 114 | ; CHECK-TAIL: bl func_stack0 |
| 115 | ; CHECK-TAIL-NOT: sub sp, sp |
| 116 | |
| 117 | ret void |
| 118 | ; CHECK: add sp, sp, #48 |
| 119 | ; CHECK-NEXT: ret |
| 120 | |
| 121 | ; CHECK-TAIL: add sp, sp, #80 |
| 122 | ; CHECK-TAIL-NEXT: ret |
| 123 | } |