| Benjamin Kramer | efa8140 | 2011-04-26 18:47:43 +0000 | [diff] [blame] | 1 | ; RUN: llc -fast-isel -O0 -mtriple=i386-apple-darwin10 -relocation-model=pic < %s | FileCheck %s |
| Dan Gohman | 84023e0 | 2010-07-10 09:00:22 +0000 | [diff] [blame] | 2 | |
| 3 | ; This should use flds to set the return value. |
| 4 | ; CHECK: test0: |
| 5 | ; CHECK: flds |
| 6 | ; CHECK: ret |
| 7 | @G = external global float |
| 8 | define float @test0() nounwind { |
| 9 | %t = load float* @G |
| 10 | ret float %t |
| 11 | } |
| 12 | |
| 13 | ; This should pop 4 bytes on return. |
| 14 | ; CHECK: test1: |
| 15 | ; CHECK: ret $4 |
| 16 | define void @test1({i32, i32, i32, i32}* sret %p) nounwind { |
| 17 | store {i32, i32, i32, i32} zeroinitializer, {i32, i32, i32, i32}* %p |
| 18 | ret void |
| 19 | } |
| 20 | |
| 21 | ; Properly initialize the pic base. |
| 22 | ; CHECK: test2: |
| 23 | ; CHECK-NOT: HHH |
| 24 | ; CHECK: call{{.*}}L2$pb |
| 25 | ; CHECK-NEXT: L2$pb: |
| 26 | ; CHECK-NEXT: pop |
| 27 | ; CHECK: HHH |
| 28 | ; CHECK: ret |
| 29 | @HHH = external global i32 |
| 30 | define i32 @test2() nounwind { |
| Dan Gohman | e695de0 | 2010-07-10 22:42:12 +0000 | [diff] [blame] | 31 | %t = load i32* @HHH |
| Dan Gohman | 84023e0 | 2010-07-10 09:00:22 +0000 | [diff] [blame] | 32 | ret i32 %t |
| 33 | } |
| Eli Friedman | d227eed | 2011-04-28 20:19:12 +0000 | [diff] [blame] | 34 | |
| 35 | ; Check that we fast-isel sret, and handle the callee-pops behavior correctly. |
| 36 | %struct.a = type { i64, i64, i64 } |
| 37 | define void @test3() nounwind ssp { |
| 38 | entry: |
| 39 | %tmp = alloca %struct.a, align 8 |
| 40 | call void @test3sret(%struct.a* sret %tmp) |
| 41 | ret void |
| 42 | ; CHECK: test3: |
| 43 | ; CHECK: subl $44 |
| 44 | ; CHECK: leal 16(%esp) |
| 45 | ; CHECK: calll _test3sret |
| 46 | ; CHECK: addl $40 |
| 47 | } |
| 48 | declare void @test3sret(%struct.a* sret) |