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