1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
|
; RUN: llc < %s -mtriple=thumbv7-apple-darwin | FileCheck %s
; Use sp, #imm to lower frame indices when the offset is multiple of 4
; and in the range of 0-1020. This saves code size by utilizing
; 16-bit instructions.
; rdar://9321541
define i32 @t() nounwind {
entry:
; CHECK-LABEL: t:
; CHECK: sub sp, #12
; CHECK-NOT: sub
; CHECK: add r0, sp, #4
; CHECK: add r1, sp, #8
; CHECK: mov r2, sp
%size = alloca i32, align 4
%count = alloca i32, align 4
%index = alloca i32, align 4
%0 = call i32 @foo(i32* %count, i32* %size, i32* %index) nounwind
ret i32 %0
}
declare i32 @foo(i32*, i32*, i32*)
|
