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26 lines
653 B
LLVM
26 lines
653 B
LLVM
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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt < %s -S -globals-aa -early-cse-memssa | FileCheck %s
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define i16 @f1() readonly {
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ret i16 0
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}
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declare void @f2()
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; Check that EarlyCSE correctly handles function calls that don't have
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; a MemoryAccess. In this case the calls to @f1 have no
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; MemoryAccesses since globals-aa determines that @f1 doesn't
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; read/write memory at all.
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define void @f3() {
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; CHECK-LABEL: @f3(
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; CHECK-NEXT: [[CALL1:%.*]] = call i16 @f1()
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; CHECK-NEXT: call void @f2()
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; CHECK-NEXT: ret void
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;
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%call1 = call i16 @f1()
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call void @f2()
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%call2 = call i16 @f1()
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ret void
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}
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