| Valery Pykhtin | cb8de55 | 2019-06-07 12:16:46 +0000 | [diff] [blame] | 1 | ; RUN: opt -mtriple=amdgcn-- --amdgpu-inline -S -amdgpu-inline-max-bb=2 %s | FileCheck %s --check-prefix=NOINL |
| 2 | ; RUN: opt -mtriple=amdgcn-- --amdgpu-inline -S -amdgpu-inline-max-bb=3 %s | FileCheck %s --check-prefix=INL |
| 3 | |
| 4 | define i32 @callee(i32 %x) { |
| 5 | entry: |
| 6 | %cc = icmp eq i32 %x, 1 |
| 7 | br i1 %cc, label %ret_res, label %mulx |
| 8 | |
| 9 | mulx: |
| 10 | %mul1 = mul i32 %x, %x |
| 11 | %mul2 = mul i32 %mul1, %x |
| 12 | %mul3 = mul i32 %mul1, %mul2 |
| 13 | %mul4 = mul i32 %mul3, %mul2 |
| 14 | %mul5 = mul i32 %mul4, %mul3 |
| 15 | br label %ret_res |
| 16 | |
| 17 | ret_res: |
| 18 | %r = phi i32 [ %mul5, %mulx ], [ %x, %entry ] |
| 19 | ret i32 %r |
| 20 | } |
| 21 | |
| 22 | ; INL-LABEL: @caller |
| 23 | ; NOINL-LABEL: @caller |
| 24 | ; INL: mul i32 |
| 25 | ; INL-NOT: call i32 |
| 26 | ; NOINL-NOT: mul i32 |
| 27 | ; NOINL: call i32 |
| 28 | |
| 29 | define amdgpu_kernel void @caller(i32 %x) { |
| 30 | %res = call i32 @callee(i32 %x) |
| 31 | store volatile i32 %res, i32 addrspace(1)* undef |
| 32 | ret void |
| 33 | } |
| Valery Pykhtin | ffeb01c | 2019-06-14 16:37:33 +0000 | [diff] [blame] | 34 | |
| 35 | |
| 36 | ; inlinehint |
| 37 | define i32 @callee_hint(i32 %x) #0 { |
| 38 | entry: |
| 39 | %cc = icmp eq i32 %x, 1 |
| 40 | br i1 %cc, label %ret_res, label %mulx |
| 41 | |
| 42 | mulx: |
| 43 | %mul1 = mul i32 %x, %x |
| 44 | %mul2 = mul i32 %mul1, %x |
| 45 | %mul3 = mul i32 %mul1, %mul2 |
| 46 | %mul4 = mul i32 %mul3, %mul2 |
| 47 | %mul5 = mul i32 %mul4, %mul3 |
| 48 | br label %ret_res |
| 49 | |
| 50 | ret_res: |
| 51 | %r = phi i32 [ %mul5, %mulx ], [ %x, %entry ] |
| 52 | ret i32 %r |
| 53 | } |
| 54 | |
| 55 | ; INL-LABEL: @caller_hint |
| 56 | ; NOINL-LABEL: @caller_hint |
| 57 | ; INL: mul i32 |
| 58 | ; INL-NOT: call i32 |
| 59 | ; NOINL: mul i32 |
| 60 | ; NOINL-NOT: call i32 |
| 61 | |
| 62 | define amdgpu_kernel void @caller_hint(i32 %x) { |
| 63 | %res = call i32 @callee_hint(i32 %x) |
| 64 | store volatile i32 %res, i32 addrspace(1)* undef |
| 65 | ret void |
| 66 | } |
| 67 | |
| 68 | attributes #0 = { inlinehint } |