| Manman Ren | be4258a | 2012-06-02 05:37:44 +0000 | [diff] [blame^] | 1 | ; RUN: llc < %s -mtriple=armv7-apple-ios6.0 | FileCheck %s |
| 2 | |
| 3 | ; rdar://9877866 |
| 4 | %struct.SmallStruct = type { i32, [8 x i32], [37 x i8] } |
| 5 | %struct.LargeStruct = type { i32, [1001 x i8], [300 x i32] } |
| 6 | |
| 7 | define i32 @f() nounwind ssp { |
| 8 | entry: |
| 9 | ; CHECK: f: |
| 10 | ; CHECK: ldr |
| 11 | ; CHECK: str |
| 12 | ; CHECK-NOT:bne |
| 13 | %st = alloca %struct.SmallStruct, align 4 |
| 14 | %call = call i32 @e1(%struct.SmallStruct* byval %st) |
| 15 | ret i32 0 |
| 16 | } |
| 17 | |
| 18 | ; Generate a loop for large struct byval |
| 19 | define i32 @g() nounwind ssp { |
| 20 | entry: |
| 21 | ; CHECK: g: |
| 22 | ; CHECK: ldr |
| 23 | ; CHECK: sub |
| 24 | ; CHECK: str |
| 25 | ; CHECK: bne |
| 26 | %st = alloca %struct.LargeStruct, align 4 |
| 27 | %call = call i32 @e2(%struct.LargeStruct* byval %st) |
| 28 | ret i32 0 |
| 29 | } |
| 30 | |
| 31 | declare i32 @e1(%struct.SmallStruct* nocapture byval %in) nounwind |
| 32 | declare i32 @e2(%struct.LargeStruct* nocapture byval %in) nounwind |