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llvm-mirror/test/Transforms/RewriteStatepointsForGC/leaf-function.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

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932 B
LLVM

; RUN: opt < %s -S -rewrite-statepoints-for-gc | FileCheck %s
; RUN: opt < %s -S -passes=rewrite-statepoints-for-gc | FileCheck %s
declare void @foo() "gc-leaf-function"
declare void @bar()
; Calls of functions with the "gc-leaf-function" attribute shouldn't be turned
; into a safepoint. An entry safepoint should get inserted, though.
define void @test_leaf_function() gc "statepoint-example" {
; CHECK-LABEL: test_leaf_function
; CHECK-NOT: gc.statepoint
; CHECK-NOT: gc.result
entry:
call void @foo()
ret void
}
define void @test_leaf_function_call() gc "statepoint-example" {
; CHECK-LABEL: test_leaf_function_call
; CHECK-NOT: gc.statepoint
; CHECK-NOT: gc.result
entry:
call void @bar() "gc-leaf-function"
ret void
}
; This function is inlined when inserting a poll.
declare void @do_safepoint()
define void @gc.safepoint_poll() {
; CHECK-LABEL: gc.safepoint_poll
entry:
call void @do_safepoint()
ret void
}