derek.holloway
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61 lines
2.5 KiB
LLVM
61 lines
2.5 KiB
LLVM
; RUN: llc < %s -fast-isel
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target datalayout = "e-i64:64-f80:128-n8:16:32:64-S128"
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target triple = "x86_64-pc-linux-gnu"
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; Dont crash with gc intrinsics.
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; gcrelocate call should not be an LLVM Machine Block by itself.
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define ptr addrspace(1) @test_gcrelocate(ptr addrspace(1) %v) gc "statepoint-example" {
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entry:
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%tok = call token (i64, i32, ptr, i32, i32, ...) @llvm.experimental.gc.statepoint.p0(i64 0, i32 0, ptr elementtype(void ()) @foo, i32 0, i32 0, i32 0, i32 0) ["gc-live"(ptr addrspace(1) %v)]
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%vnew = call ptr addrspace(1) @llvm.experimental.gc.relocate.p1(token %tok, i32 0, i32 0)
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ret ptr addrspace(1) %vnew
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}
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; gcresult calls are fine in their own blocks.
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define i1 @test_gcresult() gc "statepoint-example" {
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entry:
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%safepoint_token = tail call token (i64, i32, ptr, i32, i32, ...) @llvm.experimental.gc.statepoint.p0(i64 0, i32 0, ptr elementtype(i1 ()) @return_i1, i32 0, i32 0, i32 0, i32 0)
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%call1 = call zeroext i1 @llvm.experimental.gc.result.i1(token %safepoint_token)
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br label %exit
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exit:
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ret i1 %call1
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}
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; we are okay here because we see the gcrelocate and avoid generating their own
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; block.
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define i1 @test_gcresult_gcrelocate(ptr addrspace(1) %v) gc "statepoint-example" {
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entry:
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%safepoint_token = tail call token (i64, i32, ptr, i32, i32, ...) @llvm.experimental.gc.statepoint.p0(i64 0, i32 0, ptr elementtype(i1 ()) @return_i1, i32 0, i32 0, i32 0, i32 0) ["gc-live"(ptr addrspace(1) %v)]
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%call1 = call zeroext i1 @llvm.experimental.gc.result.i1(token %safepoint_token)
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%vnew = call ptr addrspace(1) @llvm.experimental.gc.relocate.p1(token %safepoint_token, i32 0, i32 0)
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br label %exit
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exit:
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ret i1 %call1
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}
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define ptr addrspace(1) @test_non_entry_block(ptr addrspace(1) %v, i8 %val) gc "statepoint-example" {
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entry:
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%load = load i8, ptr addrspace(1) %v
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%cmp = icmp eq i8 %load, %val
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br i1 %cmp, label %func_call, label %exit
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func_call:
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call void @dummy()
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%tok = call token (i64, i32, ptr, i32, i32, ...) @llvm.experimental.gc.statepoint.p0(i64 0, i32 0, ptr elementtype(void ()) @foo, i32 0, i32 0, i32 0, i32 0) ["gc-live"(ptr addrspace(1) %v)]
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%vnew = call ptr addrspace(1) @llvm.experimental.gc.relocate.p1(token %tok, i32 0, i32 0)
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ret ptr addrspace(1) %vnew
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exit:
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ret ptr addrspace(1) %v
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}
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declare void @dummy()
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declare void @foo()
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declare zeroext i1 @return_i1()
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declare token @llvm.experimental.gc.statepoint.p0(i64, i32, ptr, i32, i32, ...)
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declare i1 @llvm.experimental.gc.result.i1(token)
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declare ptr addrspace(1) @llvm.experimental.gc.relocate.p1(token, i32, i32)
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