22 lines
612 B
LLVM
22 lines
612 B
LLVM
; RUN: llc -mtriple thumbv7-windows -filetype asm -o - %s | FileCheck %s
|
|
|
|
declare arm_aapcs_vfpcc i32 @num_entries()
|
|
|
|
define arm_aapcs_vfpcc void @test___builtin_alloca() "no-stack-arg-probe" {
|
|
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
|
|
; CHECK: movs [[R1:r[0-9]+]], #7
|
|
; CHECK: add.w [[R0:r[0-9]+]], [[R1]], [[R0]], lsl #2
|
|
; CHECK: bic [[R0]], [[R0]], #7
|
|
; CHECK-NOT: bl __chkstk
|
|
; CHECK: sub.w [[R0]], sp, [[R0]]
|
|
; CHECK: mov sp, [[R0]]
|