| ; 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*) |