| Saleem Abdulrasool | abac6e9 | 2014-06-09 20:18:42 +0000 | [diff] [blame] | 1 | ; RUN: llc -mtriple=thumbv7-windows-itanium -mcpu=cortex-a9 -o - %s \ |
| 2 | ; RUN: | FileCheck %s -check-prefix CHECK-SMALL-CODE |
| 3 | ; RUN: llc -mtriple=thumbv7-windows-itanium -mcpu=cortex-a9 -code-model=large -o - %s \ |
| 4 | ; RUN: | FileCheck %s -check-prefix CHECK-LARGE-CODE |
| 5 | ; RUN: llc -mtriple=thumbv7-windows-msvc -mcpu=cortex-a9 -o - %s \ |
| 6 | ; RUN: | FileCheck %s -check-prefix CHECK-MSVC |
| 7 | |
| 8 | define arm_aapcs_vfpcc i8 @function(i32 %sz, i32 %idx) { |
| 9 | entry: |
| 10 | %vla = alloca i8, i32 %sz, align 1 |
| David Blaikie | 79e6c74 | 2015-02-27 19:29:02 +0000 | [diff] [blame] | 11 | %arrayidx = getelementptr inbounds i8, i8* %vla, i32 %idx |
| David Blaikie | a79ac14 | 2015-02-27 21:17:42 +0000 | [diff] [blame] | 12 | %0 = load volatile i8, i8* %arrayidx, align 1 |
| Saleem Abdulrasool | abac6e9 | 2014-06-09 20:18:42 +0000 | [diff] [blame] | 13 | ret i8 %0 |
| 14 | } |
| 15 | |
| 16 | ; CHECK-SMALL-CODE: adds [[R4:r[0-9]+]], #7 |
| 17 | ; CHECK-SMALL-CODE: bic [[R4]], [[R4]], #7 |
| 18 | ; CHECK-SMALL-CODE: lsrs r4, [[R4]], #2 |
| 19 | ; CHECK-SMALL-CODE: bl __chkstk |
| 20 | ; CHECK-SMALL-CODE: sub.w sp, sp, r4 |
| 21 | |
| 22 | ; CHECK-LARGE-CODE: adds [[R4:r[0-9]+]], #7 |
| 23 | ; CHECK-LARGE-CODE: bic [[R4]], [[R4]], #7 |
| 24 | ; CHECK-LARGE-CODE: lsrs r4, [[R4]], #2 |
| 25 | ; CHECK-LARGE-CODE: movw [[IP:r[0-9]+]], :lower16:__chkstk |
| 26 | ; CHECK-LARGE-CODE: movt [[IP]], :upper16:__chkstk |
| 27 | ; CHECK-LARGE-CODE: blx [[IP]] |
| 28 | ; CHECK-LARGE-CODE: sub.w sp, sp, r4 |
| 29 | |
| 30 | ; CHECK-MSVC-NOT: __chkstk |
| 31 | |