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; RUN: llc -O0 -mtriple thumbv7-windows-itanium -filetype asm -o - %s | FileCheck %s
; RUN: llc -O0 -mtriple thumbv7-windows-msvc -filetype asm -o - %s | FileCheck %s
; RUN: llc -O0 -mtriple thumbv7-windows-mingw32 -filetype asm -o - %s | FileCheck %s
declare arm_aapcs_vfpcc i32 @num_entries()
define arm_aapcs_vfpcc void @test___builtin_alloca() {
entry:
%array = alloca i8*, align 4
%call = call arm_aapcs_vfpcc i32 @num_entries()
%mul = mul i32 4, %call
%0 = alloca i8, i32 %mul
store i8* %0, i8** %array, align 4
ret void
}
; CHECK: bl num_entries
; Any register is actually valid here, but turns out we use lr,
; because we do not have the kill flag on R0.
; CHECK: movs [[R1:r1]], #7
; CHECK: add.w [[R0:r[0-9]+]], [[R1]], [[R0]], lsl #2
; CHECK: bic [[R0]], [[R0]], #4
; CHECK: lsrs r4, [[R0]], #2
; CHECK: bl __chkstk
; CHECK: sub.w sp, sp, r4
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