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llvm-mirror/test/Transforms/PlaceSafepoints/statepoint-frameescape.ll
Eric Christopher a62270de2c Revert "Temporarily Revert "Add basic loop fusion pass.""
The reversion apparently deleted the test/Transforms directory.

Will be re-reverting again.

llvm-svn: 358552
2019-04-17 04:52:47 +00:00

29 lines
763 B
LLVM

; RUN: opt < %s -S -place-safepoints | FileCheck %s
declare void @llvm.localescape(...)
; Do we insert the entry safepoint after the localescape intrinsic?
define void @parent() gc "statepoint-example" {
; CHECK-LABEL: @parent
entry:
; CHECK-LABEL: entry
; CHECK-NEXT: alloca
; CHECK-NEXT: localescape
; CHECK-NEXT: call void @do_safepoint
%ptr = alloca i32
call void (...) @llvm.localescape(i32* %ptr)
ret void
}
; This function is inlined when inserting a poll. To avoid recursive
; issues, make sure we don't place safepoints in it.
declare void @do_safepoint()
define void @gc.safepoint_poll() {
; CHECK-LABEL: gc.safepoint_poll
; CHECK-LABEL: entry
; CHECK-NEXT: do_safepoint
; CHECK-NEXT: ret void
entry:
call void @do_safepoint()
ret void
}