37 lines
1.3 KiB
LLVM
37 lines
1.3 KiB
LLVM
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; RUN: opt -disable-output -licm -enable-new-pm=0 -print-memoryssa -enable-mssa-loop-dependency=true < %s 2>&1 | FileCheck %s
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; RUN: opt -disable-output -passes='loop-mssa(licm),print<memoryssa>' < %s 2>&1 | FileCheck %s
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@v_274 = external dso_local global i64, align 1
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@v_295 = external dso_local global i16, align 1
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@v_335 = external dso_local global i32, align 1
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; CHECK-LABEL: @main()
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; CHECK-NOT: 5 = MemoryPhi(
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; CHECK-NOT: 6 = MemoryPhi(
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; CHECK: 4 = MemoryPhi(
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; CHECK-NOT: 7 = MemoryPhi(
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define dso_local void @main() {
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entry:
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store i32 undef, i32* @v_335, align 1
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br i1 undef, label %gate, label %exit
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nopredentry1: ; No predecessors!
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br label %preinfiniteloop
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nopredentry2: ; No predecessors!
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br label %gate
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gate: ; preds = %nopredentry2, %entry
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br i1 undef, label %preinfiniteloop, label %exit
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preinfiniteloop: ; preds = %gate, %nopredentry1
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br label %infiniteloop
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infiniteloop: ; preds = %infiniteloop, %preinfiniteloop
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store i16 undef, i16* @v_295, align 1
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br label %infiniteloop
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exit: ; preds = %gate, %entry
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store i64 undef, i64* @v_274, align 1
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ret void
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}
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