blob: ec3b130b3d8bf298f103ec7aa30eb3c5eae3629d [file] [log] [blame]
; 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: mov [[R0:r[0-9]+]], r0
; CHECK: movs [[R1:r[0-9]+]], #7
; CHECK: add.w [[R2:r[0-9]+]], [[R1]], [[R0]], lsl #2
; CHECK: bic [[R2]], [[R2]], #4
; CHECK: lsrs r4, [[R2]], #2
; CHECK: bl __chkstk
; CHECK: sub.w sp, sp, r4