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comparison test/Transforms/InstCombine/memmove.ll @ 134:3a76565eade5 LLVM5.0.1

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update 5.0.1
author mir3636
date Sat, 17 Feb 2018 09:57:20 +0900
parents 803732b1fca8
children c2174574ed3a
comparison
equal deleted inserted replaced
133:c60214abe0e8 134:3a76565eade5
8 @hello_u = constant [8 x i8] c"hello_u\00" ; <[8 x i8]*> [#uses=1] 8 @hello_u = constant [8 x i8] c"hello_u\00" ; <[8 x i8]*> [#uses=1]
9 9
10 define void @test1(i8* %A, i8* %B, i32 %N) { 10 define void @test1(i8* %A, i8* %B, i32 %N) {
11 ;; CHECK-LABEL: test1 11 ;; CHECK-LABEL: test1
12 ;; CHECK-NEXT: ret void 12 ;; CHECK-NEXT: ret void
13 call void @llvm.memmove.p0i8.p0i8.i32(i8* %A, i8* %B, i32 0, i32 1, i1 false) 13 call void @llvm.memmove.p0i8.p0i8.i32(i8* %A, i8* %B, i32 0, i1 false)
14 ret void 14 ret void
15 } 15 }
16 16
17 define void @test2(i8* %A, i32 %N) { 17 define void @test2(i8* %A, i32 %N) {
18 ;; dest can't alias source since we can't write to source! 18 ;; dest can't alias source since we can't write to source!
19 ;; CHECK-LABEL: test2 19 ;; CHECK-LABEL: test2
20 ;; CHECK-NEXT: call void @llvm.memcpy.p0i8.p0i8.i32(i8* %A, i8* getelementptr inbounds ([33 x i8], [33 x i8]* @S, i{{32|64}} 0, i{{32|64}} 0), i32 %N, i32 1, i1 false) 20 ;; CHECK-NEXT: call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 1 %A, i8* align 16 getelementptr inbounds ([33 x i8], [33 x i8]* @S, i{{32|64}} 0, i{{32|64}} 0), i32 %N, i1 false)
21 ;; CHECK-NEXT: ret void 21 ;; CHECK-NEXT: ret void
22 call void @llvm.memmove.p0i8.p0i8.i32(i8* %A, i8* getelementptr inbounds ([33 x i8], [33 x i8]* @S, i32 0, i32 0), i32 %N, i32 1, i1 false) 22 call void @llvm.memmove.p0i8.p0i8.i32(i8* %A, i8* getelementptr inbounds ([33 x i8], [33 x i8]* @S, i32 0, i32 0), i32 %N, i1 false)
23 ret void 23 ret void
24 } 24 }
25 25
26 define i32 @test3([1024 x i8]* %target) { ; arg: [1024 x i8]*> [#uses=1] 26 define i32 @test3([1024 x i8]* %target) { ; arg: [1024 x i8]*> [#uses=1]
27 ;; CHECK-LABEL: test3 27 ;; CHECK-LABEL: test3
34 ;; CHECK-NEXT: ret i32 0 34 ;; CHECK-NEXT: ret i32 0
35 %h_p = getelementptr [2 x i8], [2 x i8]* @h, i32 0, i32 0 ; <i8*> [#uses=1] 35 %h_p = getelementptr [2 x i8], [2 x i8]* @h, i32 0, i32 0 ; <i8*> [#uses=1]
36 %hel_p = getelementptr [4 x i8], [4 x i8]* @hel, i32 0, i32 0 ; <i8*> [#uses=1] 36 %hel_p = getelementptr [4 x i8], [4 x i8]* @hel, i32 0, i32 0 ; <i8*> [#uses=1]
37 %hello_u_p = getelementptr [8 x i8], [8 x i8]* @hello_u, i32 0, i32 0 ; <i8*> [#uses=1] 37 %hello_u_p = getelementptr [8 x i8], [8 x i8]* @hello_u, i32 0, i32 0 ; <i8*> [#uses=1]
38 %target_p = getelementptr [1024 x i8], [1024 x i8]* %target, i32 0, i32 0 ; <i8*> [#uses=3] 38 %target_p = getelementptr [1024 x i8], [1024 x i8]* %target, i32 0, i32 0 ; <i8*> [#uses=3]
39 call void @llvm.memmove.p0i8.p0i8.i32(i8* %target_p, i8* %h_p, i32 2, i32 2, i1 false) 39 call void @llvm.memmove.p0i8.p0i8.i32(i8* align 2 %target_p, i8* align 2 %h_p, i32 2, i1 false)
40 call void @llvm.memmove.p0i8.p0i8.i32(i8* %target_p, i8* %hel_p, i32 4, i32 4, i1 false) 40 call void @llvm.memmove.p0i8.p0i8.i32(i8* align 4 %target_p, i8* align 4 %hel_p, i32 4, i1 false)
41 call void @llvm.memmove.p0i8.p0i8.i32(i8* %target_p, i8* %hello_u_p, i32 8, i32 8, i1 false) 41 call void @llvm.memmove.p0i8.p0i8.i32(i8* align 8 %target_p, i8* align 8 %hello_u_p, i32 8, i1 false)
42 ret i32 0 42 ret i32 0
43 } 43 }
44 44
45 ; PR2370 45 ; PR2370
46 define void @test4(i8* %a) { 46 define void @test4(i8* %a) {
47 ;; CHECK-LABEL: test4 47 ;; CHECK-LABEL: test4
48 ;; CHECK-NEXT: ret void 48 ;; CHECK-NEXT: ret void
49 tail call void @llvm.memmove.p0i8.p0i8.i32(i8* %a, i8* %a, i32 100, i32 1, i1 false) 49 tail call void @llvm.memmove.p0i8.p0i8.i32(i8* %a, i8* %a, i32 100, i1 false)
50 ret void 50 ret void
51 } 51 }
52 52
53 declare void @llvm.memmove.p0i8.p0i8.i32(i8* nocapture, i8* nocapture readonly, i32, i32, i1) argmemonly nounwind 53 declare void @llvm.memmove.p0i8.p0i8.i32(i8* nocapture, i8* nocapture readonly, i32, i1) argmemonly nounwind