| Martin Storsjo | 9a55c1b | 2018-03-19 20:06:50 +0000 | [diff] [blame] | 1 | ; RUN: llc -mtriple thumbv7-windows -filetype asm -o - %s | FileCheck %s |
| 2 | |
| 3 | declare arm_aapcs_vfpcc i32 @num_entries() |
| 4 | |
| 5 | define arm_aapcs_vfpcc void @test___builtin_alloca() "no-stack-arg-probe" { |
| 6 | entry: |
| 7 | %array = alloca i8*, align 4 |
| 8 | %call = call arm_aapcs_vfpcc i32 @num_entries() |
| 9 | %mul = mul i32 4, %call |
| 10 | %0 = alloca i8, i32 %mul |
| 11 | store i8* %0, i8** %array, align 4 |
| 12 | ret void |
| 13 | } |
| 14 | |
| 15 | ; CHECK: bl num_entries |
| 16 | ; CHECK: movs [[R1:r[0-9]+]], #7 |
| 17 | ; CHECK: add.w [[R0:r[0-9]+]], [[R1]], [[R0]], lsl #2 |
| 18 | ; CHECK: bic [[R0]], [[R0]], #7 |
| 19 | ; CHECK-NOT: bl __chkstk |
| 20 | ; CHECK: sub.w [[R0]], sp, [[R0]] |
| 21 | ; CHECK: mov sp, [[R0]] |