| Momchil Velikov | ac7c5c1 | 2018-01-08 14:47:19 +0000 | [diff] [blame^] | 1 | ; RUN: llc -mtriple=armv7a-eabi < %s | FileCheck %s --check-prefix=CHECK-ARM |
| 2 | ; RUN: llc -mtriple=armv6m-eabi < %s | FileCheck %s --check-prefix=CHECK-THM |
| 3 | |
| 4 | ; Function Attrs: minsize optsize |
| 5 | declare void @g(i32*) local_unnamed_addr #0 |
| 6 | |
| 7 | ; Function Attrs: minsize optsize |
| 8 | define void @f() local_unnamed_addr #0 { |
| 9 | entry: |
| 10 | %i = alloca i32, align 4 |
| 11 | %0 = bitcast i32* %i to i8* |
| 12 | store i32 1, i32* %i, align 4 |
| 13 | call void @g(i32* nonnull %i) |
| 14 | ret void |
| 15 | } |
| 16 | |
| 17 | ; Check unwind info does not mention the registers used for padding, and |
| 18 | ; the amount of stack adjustment is the same as in the actual |
| 19 | ; instructions. |
| 20 | |
| 21 | ; CHECK-ARM: .save {r11, lr} |
| 22 | ; CHECK-ARM-NEXT: .pad #8 |
| 23 | ; CHECK-ARM-NEXT: push {r9, r10, r11, lr} |
| 24 | ; CHECK-ARM: pop {r2, r3, r11, pc} |
| 25 | |
| 26 | ; CHECK-THM: .save {r7, lr} |
| 27 | ; CHECK-THM-NEXT: .pad #8 |
| 28 | ; CHECK-THM-NEXT: push {r5, r6, r7, lr} |
| 29 | ; CHECK-THM: pop {r2, r3, r7, pc} |
| 30 | |
| 31 | |
| 32 | define void @f1() local_unnamed_addr #1 { |
| 33 | entry: |
| 34 | %i = alloca i32, align 4 |
| 35 | %0 = bitcast i32* %i to i8* |
| 36 | store i32 1, i32* %i, align 4 |
| 37 | call void @g(i32* nonnull %i) |
| 38 | ret void |
| 39 | } |
| 40 | |
| 41 | ; Check that unwind info is the same whether or not using -Os (minsize attr) |
| 42 | |
| 43 | ; CHECK-ARM: .save {r11, lr} |
| 44 | ; CHECK-ARM-NEXT: push {r11, lr} |
| 45 | ; CHECK-ARM-NEXT: .pad #8 |
| 46 | |
| 47 | ; CHECK-THM: .save {r7, lr} |
| 48 | ; CHECK-THM-NEXT: push {r7, lr} |
| 49 | ; CHECK-THM-NEXT: .pad #8 |
| 50 | |
| 51 | attributes #0 = { minsize optsize } |
| 52 | attributes #1 = { optsize } |