forked from OSchip/llvm-project
32 lines
1.1 KiB
LLVM
32 lines
1.1 KiB
LLVM
; RUN: llc -mtriple=thumbv7-windows-itanium -mcpu=cortex-a9 -o - %s \
|
|
; RUN: | FileCheck %s -check-prefix CHECK-SMALL-CODE
|
|
; RUN: llc -mtriple=thumbv7-windows-itanium -mcpu=cortex-a9 -code-model=large -o - %s \
|
|
; RUN: | FileCheck %s -check-prefix CHECK-LARGE-CODE
|
|
; RUN: llc -mtriple=thumbv7-windows-msvc -mcpu=cortex-a9 -o - %s \
|
|
; RUN: | FileCheck %s -check-prefix CHECK-MSVC
|
|
|
|
define arm_aapcs_vfpcc i8 @function(i32 %sz, i32 %idx) {
|
|
entry:
|
|
%vla = alloca i8, i32 %sz, align 1
|
|
%arrayidx = getelementptr inbounds i8* %vla, i32 %idx
|
|
%0 = load volatile i8* %arrayidx, align 1
|
|
ret i8 %0
|
|
}
|
|
|
|
; CHECK-SMALL-CODE: adds [[R4:r[0-9]+]], #7
|
|
; CHECK-SMALL-CODE: bic [[R4]], [[R4]], #7
|
|
; CHECK-SMALL-CODE: lsrs r4, [[R4]], #2
|
|
; CHECK-SMALL-CODE: bl __chkstk
|
|
; CHECK-SMALL-CODE: sub.w sp, sp, r4
|
|
|
|
; CHECK-LARGE-CODE: adds [[R4:r[0-9]+]], #7
|
|
; CHECK-LARGE-CODE: bic [[R4]], [[R4]], #7
|
|
; CHECK-LARGE-CODE: lsrs r4, [[R4]], #2
|
|
; CHECK-LARGE-CODE: movw [[IP:r[0-9]+]], :lower16:__chkstk
|
|
; CHECK-LARGE-CODE: movt [[IP]], :upper16:__chkstk
|
|
; CHECK-LARGE-CODE: blx [[IP]]
|
|
; CHECK-LARGE-CODE: sub.w sp, sp, r4
|
|
|
|
; CHECK-MSVC-NOT: __chkstk
|
|
|