llvm-6502/test/CodeGen/Thumb2/2010-04-15-DynAllocBug.ll

24 lines
632 B
LLVM

; 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:
; CHECK: mov r0, sp
; CHECK: bfc r0, #0, #3
; CHECK: subs r0, #16
; CHECK: mov sp, r0
; Yes, this is stupid codegen, but it's correct.
; CHECK: mov r0, sp
; CHECK: bfc r0, #0, #3
; CHECK: subs r0, #16
; CHECK: mov sp, r0
%size = mul i32 8, 2
%vla_a = alloca i8, i32 %size, align 8
%vla_b = alloca i8, i32 %size, align 8
unreachable
}