| Krzysztof Parzyszek | c49ce52 | 2015-04-14 15:28:42 +0000 | [diff] [blame] | 1 | ; RUN: llc -mtriple=x86_64-unknown-unknown < %s | FileCheck %s |
| Krzysztof Parzyszek | a46c36b | 2015-04-13 17:16:45 +0000 | [diff] [blame] | 2 | |
| 3 | ; CHECK-LABEL: tail_memcpy |
| 4 | ; CHECK: jmp memcpy |
| 5 | define void @tail_memcpy(i8* nocapture %p, i8* nocapture readonly %q, i32 %n) #0 { |
| 6 | entry: |
| Pete Cooper | 67cf9a7 | 2015-11-19 05:56:52 +0000 | [diff] [blame] | 7 | tail call void @llvm.memcpy.p0i8.p0i8.i32(i8* %p, i8* %q, i32 %n, i32 1, i1 false) |
| Krzysztof Parzyszek | a46c36b | 2015-04-13 17:16:45 +0000 | [diff] [blame] | 8 | ret void |
| 9 | } |
| 10 | |
| Jonathan Roelofs | f45295c | 2015-08-10 19:56:39 +0000 | [diff] [blame] | 11 | ; CHECK-LABEL: tail_memmove |
| 12 | ; CHECK: jmp memmove |
| Krzysztof Parzyszek | a46c36b | 2015-04-13 17:16:45 +0000 | [diff] [blame] | 13 | define void @tail_memmove(i8* nocapture %p, i8* nocapture readonly %q, i32 %n) #0 { |
| 14 | entry: |
| Pete Cooper | 67cf9a7 | 2015-11-19 05:56:52 +0000 | [diff] [blame] | 15 | tail call void @llvm.memmove.p0i8.p0i8.i32(i8* %p, i8* %q, i32 %n, i32 1, i1 false) |
| Krzysztof Parzyszek | a46c36b | 2015-04-13 17:16:45 +0000 | [diff] [blame] | 16 | ret void |
| 17 | } |
| 18 | |
| 19 | ; CHECK-LABEL: tail_memset |
| 20 | ; CHECK: jmp memset |
| 21 | define void @tail_memset(i8* nocapture %p, i8 %c, i32 %n) #0 { |
| 22 | entry: |
| Pete Cooper | 67cf9a7 | 2015-11-19 05:56:52 +0000 | [diff] [blame] | 23 | tail call void @llvm.memset.p0i8.i32(i8* %p, i8 %c, i32 %n, i32 1, i1 false) |
| Krzysztof Parzyszek | a46c36b | 2015-04-13 17:16:45 +0000 | [diff] [blame] | 24 | ret void |
| 25 | } |
| 26 | |
| Pete Cooper | 67cf9a7 | 2015-11-19 05:56:52 +0000 | [diff] [blame] | 27 | declare void @llvm.memcpy.p0i8.p0i8.i32(i8* nocapture, i8* nocapture readonly, i32, i32, i1) #0 |
| 28 | declare void @llvm.memmove.p0i8.p0i8.i32(i8* nocapture, i8* nocapture readonly, i32, i32, i1) #0 |
| 29 | declare void @llvm.memset.p0i8.i32(i8* nocapture, i8, i32, i32, i1) #0 |
| Krzysztof Parzyszek | a46c36b | 2015-04-13 17:16:45 +0000 | [diff] [blame] | 30 | |
| 31 | attributes #0 = { nounwind } |