1 ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
2 ; RUN: opt -passes="loop-idiom" < %s -S | FileCheck %s
4 target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64"
6 target triple = "x86_64-apple-darwin10.0.0"
9 define dso_local void @double_memset(ptr nocapture %p) {
10 ; CHECK-LABEL: @double_memset(
12 ; CHECK-NEXT: call void @memset_pattern16(ptr [[P:%.*]], ptr @.memset_pattern, i64 128), !tbaa [[TBAA0:![0-9]+]]
13 ; CHECK-NEXT: br label [[FOR_BODY:%.*]]
14 ; CHECK: for.cond.cleanup:
15 ; CHECK-NEXT: ret void
17 ; CHECK-NEXT: [[I_07:%.*]] = phi i64 [ [[INC:%.*]], [[FOR_BODY]] ], [ 0, [[ENTRY:%.*]] ]
18 ; CHECK-NEXT: [[PTR1:%.*]] = getelementptr inbounds double, ptr [[P]], i64 [[I_07]]
19 ; CHECK-NEXT: [[INC]] = add nuw nsw i64 [[I_07]], 1
20 ; CHECK-NEXT: [[EXITCOND_NOT:%.*]] = icmp eq i64 [[INC]], 16
21 ; CHECK-NEXT: br i1 [[EXITCOND_NOT]], label [[FOR_COND_CLEANUP:%.*]], label [[FOR_BODY]]
30 %i.07 = phi i64 [ %inc, %for.body ], [ 0, %entry ]
31 %ptr1 = getelementptr inbounds double, ptr %p, i64 %i.07
32 store double 3.14159e+00, ptr %ptr1, align 1, !tbaa !5
33 %inc = add nuw nsw i64 %i.07, 1
34 %exitcond.not = icmp eq i64 %inc, 16
35 br i1 %exitcond.not, label %for.cond.cleanup, label %for.body
39 define dso_local void @struct_memset(ptr nocapture %p) {
40 ; CHECK-LABEL: @struct_memset(
42 ; CHECK-NEXT: call void @memset_pattern16(ptr [[P:%.*]], ptr @.memset_pattern.1, i64 128), !tbaa [[TBAA4:![0-9]+]]
43 ; CHECK-NEXT: br label [[FOR_BODY:%.*]]
44 ; CHECK: for.cond.cleanup:
45 ; CHECK-NEXT: ret void
47 ; CHECK-NEXT: [[I_07:%.*]] = phi i64 [ [[INC:%.*]], [[FOR_BODY]] ], [ 0, [[ENTRY:%.*]] ]
48 ; CHECK-NEXT: [[PTR1:%.*]] = getelementptr inbounds double, ptr [[P]], i64 [[I_07]]
49 ; CHECK-NEXT: [[INC]] = add nuw nsw i64 [[I_07]], 1
50 ; CHECK-NEXT: [[EXITCOND_NOT:%.*]] = icmp eq i64 [[INC]], 16
51 ; CHECK-NEXT: br i1 [[EXITCOND_NOT]], label [[FOR_COND_CLEANUP:%.*]], label [[FOR_BODY]]
60 %i.07 = phi i64 [ %inc, %for.body ], [ 0, %entry ]
61 %ptr1 = getelementptr inbounds double, ptr %p, i64 %i.07
62 store double 3.14159e+00, ptr %ptr1, align 1, !tbaa !10
63 %inc = add nuw nsw i64 %i.07, 1
64 %exitcond.not = icmp eq i64 %inc, 16
65 br i1 %exitcond.not, label %for.cond.cleanup, label %for.body
68 define dso_local void @var_memset(ptr nocapture %p, i64 %len) {
69 ; CHECK-LABEL: @var_memset(
71 ; CHECK-NEXT: [[TMP0:%.*]] = shl nuw i64 [[LEN:%.*]], 3
72 ; CHECK-NEXT: call void @memset_pattern16(ptr [[P:%.*]], ptr @.memset_pattern.2, i64 [[TMP0]])
73 ; CHECK-NEXT: br label [[FOR_BODY:%.*]]
74 ; CHECK: for.cond.cleanup:
75 ; CHECK-NEXT: ret void
77 ; CHECK-NEXT: [[I_07:%.*]] = phi i64 [ [[INC:%.*]], [[FOR_BODY]] ], [ 0, [[ENTRY:%.*]] ]
78 ; CHECK-NEXT: [[PTR1:%.*]] = getelementptr inbounds double, ptr [[P]], i64 [[I_07]]
79 ; CHECK-NEXT: [[INC]] = add nuw nsw i64 [[I_07]], 1
80 ; CHECK-NEXT: [[EXITCOND_NOT:%.*]] = icmp eq i64 [[INC]], [[LEN]]
81 ; CHECK-NEXT: br i1 [[EXITCOND_NOT]], label [[FOR_COND_CLEANUP:%.*]], label [[FOR_BODY]]
90 %i.07 = phi i64 [ %inc, %for.body ], [ 0, %entry ]
91 %ptr1 = getelementptr inbounds double, ptr %p, i64 %i.07
92 store double 3.14159e+00, ptr %ptr1, align 1, !tbaa !10
93 %inc = add nuw nsw i64 %i.07, 1
94 %exitcond.not = icmp eq i64 %inc, %len
95 br i1 %exitcond.not, label %for.cond.cleanup, label %for.body
99 !6 = !{!"double", !7, i64 0}
100 !7 = !{!"omnipotent char", !8, i64 0}
101 !8 = !{!"Simple C++ TBAA"}
103 !15 = !{!8, i64 0, !"omnipotent char"}
104 !17 = !{!15, i64 8, !"double"}
105 !9 = !{!15, i64 32, !"_ZTS1A", !17, i64 0, i64 8, !17, i64 8, i64 8, !17, i64 16, i64 8, !17, i64 24, i64 8}
106 !10 = !{!9, !17, i64 0, i64 1}
108 !18 = !{!19, !20, i64 0}
109 !19 = !{!"A", !20, i64 0, !22, i64 8}
110 !20 = !{!"any pointer", !7, i64 0}
111 !21 = !{!22, !20, i64 0}
112 !22 = !{!"B", !20, i64 0}