24 lines
1.1 KiB
LLVM
24 lines
1.1 KiB
LLVM
; RUN: llc < %s -mtriple=x86_64-unknown | FileCheck %s
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define ptr addrspace(1) @no_extra_const(ptr addrspace(1) %obj) gc "statepoint-example" {
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; CHECK-LABEL: no_extra_const:
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; CHECK: .cfi_startproc
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; CHECK-NEXT: # %bb.0: # %entry
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; CHECK-NEXT: pushq %rax
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; CHECK-NEXT: .cfi_def_cfa_offset 16
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; CHECK-NEXT: movq %rdi, (%rsp)
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; CHECK-NEXT: nopl 8(%rax)
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; CHECK-NEXT: .Ltmp0:
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; CHECK-NEXT: movq (%rsp), %rax
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; CHECK-NEXT: popq %rcx
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; CHECK-NEXT: .cfi_def_cfa_offset 8
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; CHECK-NEXT: retq
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entry:
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%safepoint_token = call token (i64, i32, ptr, i32, i32, ...) @llvm.experimental.gc.statepoint.p0(i64 0, i32 4, ptr elementtype(void ()) null, i32 0, i32 0, i32 0, i32 0) ["gc-live" (ptr addrspace(1) %obj)]
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%obj.relocated = call coldcc ptr addrspace(1) @llvm.experimental.gc.relocate.p1(token %safepoint_token, i32 0, i32 0) ; (%obj, %obj)
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ret ptr addrspace(1) %obj.relocated
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}
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declare token @llvm.experimental.gc.statepoint.p0(i64, i32, ptr, i32, i32, ...)
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declare ptr addrspace(1) @llvm.experimental.gc.relocate.p1(token, i32, i32)
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