2010-04-15 18:42:28 +00:00
|
|
|
; RUN: llc < %s -mtriple=thumbv7-apple-darwin -mcpu=cortex-a8 -O3 | FileCheck %s
|
|
|
|
|
; rdar://7493908
|
|
|
|
|
|
|
|
|
|
; Make sure the result of the first dynamic_alloc isn't copied back to sp more
|
|
|
|
|
; than once. We'll deal with poor codegen later.
|
|
|
|
|
|
|
|
|
|
define arm_apcscc void @t() nounwind ssp {
|
|
|
|
|
entry:
|
|
|
|
|
; CHECK: t:
|
2010-04-15 22:20:34 +00:00
|
|
|
; CHECK: mov r0, sp
|
|
|
|
|
; CHECK: bfc r0, #0, #3
|
|
|
|
|
; CHECK: subs r0, #16
|
|
|
|
|
; CHECK: mov sp, r0
|
2010-04-15 18:42:28 +00:00
|
|
|
; Yes, this is stupid codegen, but it's correct.
|
2010-04-15 22:20:34 +00:00
|
|
|
; CHECK: mov r0, sp
|
|
|
|
|
; CHECK: bfc r0, #0, #3
|
|
|
|
|
; CHECK: subs r0, #16
|
|
|
|
|
; CHECK: mov sp, r0
|
2010-04-15 18:42:28 +00:00
|
|
|
%size = mul i32 8, 2
|
|
|
|
|
%vla_a = alloca i8, i32 %size, align 8
|
|
|
|
|
%vla_b = alloca i8, i32 %size, align 8
|
|
|
|
|
unreachable
|
|
|
|
|
}
|
