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; 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, i8* %vla, i32 %idx
%0 = load volatile i8, 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
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