llvm-6502/test/CodeGen/ARM64/alloca-frame-pointer-offset.ll
Tim Northover 7b837d8c75 ARM64: initial backend import
This adds a second implementation of the AArch64 architecture to LLVM,
accessible in parallel via the "arm64" triple. The plan over the
coming weeks & months is to merge the two into a single backend,
during which time thorough code review should naturally occur.

Everything will be easier with the target in-tree though, hence this
commit.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@205090 91177308-0d34-0410-b5e6-96231b3b80d8
2014-03-29 10:18:08 +00:00

30 lines
864 B
LLVM

; RUN: llc -march=arm64 -mcpu=cyclone < %s | FileCheck %s
; CHECK: foo
; CHECK: ldr w[[REG:[0-9]+]], [x19, #264]
; CHECK: str w[[REG]], [x19, #132]
; CHECK: ldr w{{[0-9]+}}, [x19, #264]
define i32 @foo(i32 %a) nounwind {
%retval = alloca i32, align 4
%a.addr = alloca i32, align 4
%arr = alloca [32 x i32], align 4
%i = alloca i32, align 4
%arr2 = alloca [32 x i32], align 4
%j = alloca i32, align 4
store i32 %a, i32* %a.addr, align 4
%tmp = load i32* %a.addr, align 4
%tmp1 = zext i32 %tmp to i64
%v = mul i64 4, %tmp1
%vla = alloca i8, i64 %v, align 4
%tmp2 = bitcast i8* %vla to i32*
%tmp3 = load i32* %a.addr, align 4
store i32 %tmp3, i32* %i, align 4
%tmp4 = load i32* %a.addr, align 4
store i32 %tmp4, i32* %j, align 4
%tmp5 = load i32* %j, align 4
store i32 %tmp5, i32* %retval
%x = load i32* %retval
ret i32 %x
}