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