31 lines
836 B
LLVM
31 lines
836 B
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt -S -passes='early-cse<memssa>,loop-mssa(licm)' < %s | FileCheck %s
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; This used to assert because was have a MemoryDef for what turns out to be
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; a readnone call after EarlyCSE.
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@fn_ptr = external global ptr, align 1
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define void @test() {
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; CHECK-LABEL: @test(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: br label [[DO_BODY:%.*]]
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; CHECK: do.body:
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; CHECK-NEXT: store ptr @readnone_fn, ptr @fn_ptr, align 8
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; CHECK-NEXT: call void @readnone_fn()
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; CHECK-NEXT: call void @foo()
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; CHECK-NEXT: br label [[DO_BODY]]
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;
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entry:
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br label %do.body
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do.body:
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store ptr @readnone_fn, ptr @fn_ptr
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%fn = load ptr, ptr @fn_ptr
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call void %fn()
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call void @foo()
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br label %do.body
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}
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declare void @foo()
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declare void @readnone_fn() readnone
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