393c783a10
The codegen test changes seem incidental. Either way, sms-grp-order.ll seems to already not hit the original issue.
83 lines
2.2 KiB
LLVM
83 lines
2.2 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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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: @main(
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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 [[TBAA0:![0-9]+]]
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; CHECK-NEXT: [[PTR:%.*]] = load ptr, ptr @e, align 8, !tbaa [[TBAA0]]
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; CHECK-NEXT: store i32 0, ptr [[PTR]], align 4, !tbaa [[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: @store_null(
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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 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: store i32 0, ptr null, align 4, !tbaa [[TBAA4]]
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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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