21 lines
896 B
LLVM
21 lines
896 B
LLVM
; RUN: opt %s -rewrite-statepoints-for-gc -spp-print-base-pointers -S 2>&1 | FileCheck %s
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; CHECK: derived %next base %base_obj
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declare i1 @runtime_value()
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define void @maybe_GEP(i64 addrspace(1)* %base_obj) gc "statepoint-example" {
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entry:
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br label %loop
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loop:
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%current = phi i64 addrspace(1)* [ %base_obj, %entry ], [ %next, %loop ]
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%condition = call i1 @runtime_value()
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%maybe_next = getelementptr i64, i64 addrspace(1)* %current, i32 1
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%next = select i1 %condition, i64 addrspace(1)* %maybe_next, i64 addrspace(1)* %current
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%safepoint_token = call i32 (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 0, i32 0, void ()* @do_safepoint, i32 0, i32 0, i32 0, i32 5, i32 0, i32 -1, i32 0, i32 0, i32 0)
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br label %loop
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}
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declare void @do_safepoint()
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declare i32 @llvm.experimental.gc.statepoint.p0f_isVoidf(i64, i32, void ()*, i32, i32, ...) |