derek.holloway
7502bf64a4
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95 lines
2.9 KiB
LLVM
95 lines
2.9 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 6
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; RUN: opt -S -passes='loop-mssa(licm)' < %s | FileCheck %s
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@e = external dso_local global ptr, align 8
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define void @main(i1 %arg, ptr %arg1) {
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; CHECK-LABEL: define void @main(
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; CHECK-SAME: i1 [[ARG:%.*]], ptr [[ARG1:%.*]]) {
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; CHECK-NEXT: [[ENTRY:.*:]]
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; CHECK-NEXT: br label %[[LOOP1:.*]]
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; CHECK: [[LOOP1]]:
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; CHECK-NEXT: br label %[[LOOP2:.*]]
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; CHECK: [[LOOP2]]:
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; CHECK-NEXT: br i1 [[ARG]], label %[[LOOP2_LATCH:.*]], label %[[LOOP_LATCH:.*]]
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; CHECK: [[LOOP2_LATCH]]:
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; CHECK-NEXT: store i32 0, ptr [[ARG1]], align 4
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; CHECK-NEXT: br label %[[LOOP2]]
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; CHECK: [[LOOP_LATCH]]:
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; CHECK-NEXT: store ptr null, ptr @e, align 8, !tbaa [[ANYPTR_TBAA0:![0-9]+]]
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; CHECK-NEXT: [[PTR:%.*]] = load ptr, ptr @e, align 8, !tbaa [[ANYPTR_TBAA0]]
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; CHECK-NEXT: store i32 0, ptr [[PTR]], align 4, !tbaa [[INT_TBAA4:![0-9]+]]
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; CHECK-NEXT: br label %[[LOOP1]]
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;
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entry:
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br label %loop1
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loop1:
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br label %loop2
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loop2:
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br i1 %arg, label %loop2.latch, label %loop.latch
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loop2.latch:
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store i32 0, ptr %arg1, align 4
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br label %loop2
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loop.latch:
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store ptr null, ptr @e, align 8, !tbaa !0
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%ptr = load ptr, ptr @e, align 8, !tbaa !0
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store i32 0, ptr %ptr, align 4, !tbaa !4
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br label %loop1
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}
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define void @store_null(i1 %arg) {
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; CHECK-LABEL: define void @store_null(
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; CHECK-SAME: i1 [[ARG:%.*]]) {
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; CHECK-NEXT: [[ENTRY:.*:]]
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; CHECK-NEXT: store ptr null, ptr @e, align 8, !tbaa [[ANYPTR_TBAA0]]
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; CHECK-NEXT: [[PTR:%.*]] = load ptr, ptr @e, align 8, !tbaa [[ANYPTR_TBAA0]]
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; CHECK-NEXT: store i32 0, ptr [[PTR]], align 4, !tbaa [[INT_TBAA4]]
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; CHECK-NEXT: br label %[[LOOP1:.*]]
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; CHECK: [[LOOP1]]:
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; CHECK-NEXT: br label %[[LOOP2:.*]]
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; CHECK: [[LOOP2]]:
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; CHECK-NEXT: br i1 [[ARG]], label %[[LOOP2_LATCH:.*]], label %[[LOOP_LATCH:.*]]
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; CHECK: [[LOOP2_LATCH]]:
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; CHECK-NEXT: store i32 0, ptr null, align 4
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; CHECK-NEXT: br label %[[LOOP2]]
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; CHECK: [[LOOP_LATCH]]:
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; CHECK-NEXT: br label %[[LOOP1]]
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;
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entry:
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br label %loop1
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loop1:
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br label %loop2
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loop2:
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br i1 %arg, label %loop2.latch, label %loop.latch
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loop2.latch:
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store i32 0, ptr null, align 4
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br label %loop2
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loop.latch:
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store ptr null, ptr @e, align 8, !tbaa !0
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%ptr = load ptr, ptr @e, align 8, !tbaa !0
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store i32 0, ptr %ptr, align 4, !tbaa !4
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br label %loop1
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}
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!0 = !{!1, !1, i64 0}
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!1 = !{!"any pointer", !2, i64 0}
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!2 = !{!"omnipotent char", !3, i64 0}
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!3 = !{!"Simple C/C++ TBAA"}
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!4 = !{!5, !5, i64 0}
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!5 = !{!"int", !2, i64 0}
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;.
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; CHECK: [[ANYPTR_TBAA0]] = !{[[META1:![0-9]+]], [[META1]], i64 0}
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; CHECK: [[META1]] = !{!"any pointer", [[META2:![0-9]+]], i64 0}
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; CHECK: [[META2]] = !{!"omnipotent char", [[META3:![0-9]+]], i64 0}
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; CHECK: [[META3]] = !{!"Simple C/C++ TBAA"}
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; CHECK: [[INT_TBAA4]] = !{[[META5:![0-9]+]], [[META5]], i64 0}
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; CHECK: [[META5]] = !{!"int", [[META2]], i64 0}
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;.
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