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e86f39b76e
This pass isn't used in tree and can be ported to the NPM later on if desired. Differential Revision: https://reviews.llvm.org/D90189
30 lines
781 B
LLVM
30 lines
781 B
LLVM
; RUN: opt < %s -S -place-safepoints -enable-new-pm=0 | FileCheck %s
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declare void @llvm.localescape(...)
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; Do we insert the entry safepoint after the localescape intrinsic?
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define void @parent() gc "statepoint-example" {
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; CHECK-LABEL: @parent
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entry:
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; CHECK-LABEL: entry
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; CHECK-NEXT: alloca
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; CHECK-NEXT: localescape
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; CHECK-NEXT: call void @do_safepoint
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%ptr = alloca i32
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call void (...) @llvm.localescape(i32* %ptr)
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ret void
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}
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; This function is inlined when inserting a poll. To avoid recursive
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; issues, make sure we don't place safepoints in it.
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declare void @do_safepoint()
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define void @gc.safepoint_poll() {
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; CHECK-LABEL: gc.safepoint_poll
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; CHECK-LABEL: entry
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; CHECK-NEXT: do_safepoint
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; CHECK-NEXT: ret void
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entry:
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call void @do_safepoint()
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ret void
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}
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