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https://github.com/c64scene-ar/llvm-6502.git
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21 lines
904 B
LLVM
21 lines
904 B
LLVM
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; RUN: opt %s -rewrite-statepoints-for-gc -spp-print-base-pointers -S 2>&1 | FileCheck %s
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; CHECK: derived %next.i64 base %base_obj
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define void @test(i64 addrspace(1)* %base_obj) gc "statepoint-example" {
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entry:
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%obj = getelementptr i64, i64 addrspace(1)* %base_obj, i32 1
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br label %loop
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loop:
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%current = phi i64 addrspace(1)* [ %obj, %entry ], [ %next.i64, %loop ]
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%current.i32 = bitcast i64 addrspace(1)* %current to i32 addrspace(1)*
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%next.i32 = getelementptr i32, i32 addrspace(1)* %current.i32, i32 1
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%next.i64 = bitcast i32 addrspace(1)* %next.i32 to i64 addrspace(1)*
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%safepoint_token = call i32 (void ()*, i32, i32, ...)* @llvm.experimental.gc.statepoint.p0f_isVoidf(void ()* @do_safepoint, 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(void ()*, i32, i32, ...)
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