mirror of
https://github.com/RPCSX/llvm.git
synced 2024-11-28 06:00:28 +00:00
f86c29ea2c
This makes it more likely that we can use the 16-bit push and pop instructions on Thumb-2, saving around 4 bytes per function. Differential Revision: http://reviews.llvm.org/D9165 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@235637 91177308-0d34-0410-b5e6-96231b3b80d8
42 lines
1.1 KiB
LLVM
42 lines
1.1 KiB
LLVM
; RUN: llc < %s -march=thumb -mcpu=arm1156t2-s -mattr=+thumb2 \
|
|
; RUN: -mtriple=arm-apple-darwin | FileCheck %s -check-prefix=DARWIN
|
|
; RUN: llc < %s -march=thumb -mcpu=arm1156t2-s -mattr=+thumb2 \
|
|
; RUN: -mtriple=arm-linux-gnueabi | FileCheck %s -check-prefix=LINUX
|
|
|
|
define void @test1() {
|
|
; DARWIN-LABEL: test1:
|
|
; DARWIN: sub sp, #256
|
|
; LINUX-LABEL: test1:
|
|
; LINUX: sub sp, #256
|
|
%tmp = alloca [ 64 x i32 ] , align 4
|
|
ret void
|
|
}
|
|
|
|
define void @test2() {
|
|
; DARWIN-LABEL: test2:
|
|
; DARWIN: sub.w sp, sp, #4160
|
|
; DARWIN: sub sp, #8
|
|
; LINUX-LABEL: test2:
|
|
; LINUX: sub.w sp, sp, #4160
|
|
; LINUX: sub sp, #8
|
|
%tmp = alloca [ 4168 x i8 ] , align 4
|
|
ret void
|
|
}
|
|
|
|
define i32 @test3() {
|
|
; DARWIN-LABEL: test3:
|
|
; DARWIN: push {r4, r7, lr}
|
|
; DARWIN: sub.w sp, sp, #805306368
|
|
; DARWIN: sub sp, #20
|
|
; LINUX-LABEL: test3:
|
|
; LINUX: push {r4, r6, r7, lr}
|
|
; LINUX: sub.w sp, sp, #805306368
|
|
; LINUX: sub sp, #16
|
|
%retval = alloca i32, align 4
|
|
%tmp = alloca i32, align 4
|
|
%a = alloca [805306369 x i8], align 16
|
|
store i32 0, i32* %tmp
|
|
%tmp1 = load i32, i32* %tmp
|
|
ret i32 %tmp1
|
|
}
|