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      1 ; RUN: llc < %s -fast-isel
      2 
      3 target datalayout = "e-i64:64-f80:128-n8:16:32:64-S128"
      4 target triple = "x86_64-pc-linux-gnu"
      5 ; Dont crash with gc intrinsics.
      6 
      7 ; gcrelocate call should not be an LLVM Machine Block by itself.
      8 define i8 addrspace(1)* @test_gcrelocate(i8 addrspace(1)* %v) gc "statepoint-example" {
      9 entry:
     10   %tok = call token (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 0, i32 0, void ()* @foo, i32 0, i32 0, i32 0, i32 0, i8 addrspace(1)* %v)
     11   %vnew = call i8 addrspace(1)* @llvm.experimental.gc.relocate.p1i8(token %tok,  i32 7, i32 7)
     12   ret i8 addrspace(1)* %vnew
     13 }
     14 
     15 ; gcresult calls are fine in their own blocks.
     16 define i1 @test_gcresult() gc "statepoint-example" {
     17 entry:
     18   %safepoint_token = tail call token (i64, i32, i1 ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_i1f(i64 0, i32 0, i1 ()* @return_i1, i32 0, i32 0, i32 0, i32 0)
     19   %call1 = call zeroext i1 @llvm.experimental.gc.result.i1(token %safepoint_token)
     20   ret i1 %call1
     21 }
     22 
     23 ; we are okay here because we see the gcrelocate and avoid generating their own
     24 ; block.
     25 define i1 @test_gcresult_gcrelocate(i8 addrspace(1)* %v) gc "statepoint-example" {
     26 entry:
     27   %safepoint_token = tail call token (i64, i32, i1 ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_i1f(i64 0, i32 0, i1 ()* @return_i1, i32 0, i32 0, i32 0, i32 0, i8 addrspace(1)* %v)
     28   %call1 = call zeroext i1 @llvm.experimental.gc.result.i1(token %safepoint_token)
     29   %vnew = call i8 addrspace(1)* @llvm.experimental.gc.relocate.p1i8(token %safepoint_token,  i32 7, i32 7)
     30   ret i1 %call1
     31 }
     32 
     33 define i8 addrspace(1)*  @test_non_entry_block(i8 addrspace(1)* %v, i8 %val) gc "statepoint-example" {
     34 entry:
     35  %load = load i8, i8 addrspace(1)* %v
     36  %cmp = icmp eq i8 %load, %val
     37  br i1 %cmp, label %func_call, label %exit
     38 
     39 func_call:
     40  call void @dummy()
     41  %tok = call token (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 0, i32 0, void ()* @foo, i32 0, i32 0, i32 0, i32 0, i8 addrspace(1)* %v)
     42  %vnew = call i8 addrspace(1)* @llvm.experimental.gc.relocate.p1i8(token %tok,  i32 7, i32 7)
     43  ret i8 addrspace(1)* %vnew
     44 
     45 exit:
     46   ret i8 addrspace(1)* %v
     47 
     48 }
     49 
     50 declare void @dummy()
     51 declare void @foo()
     52 
     53 declare zeroext i1 @return_i1()
     54 declare token @llvm.experimental.gc.statepoint.p0f_isVoidf(i64, i32, void ()*, i32, i32, ...)
     55 declare token @llvm.experimental.gc.statepoint.p0f_i1f(i64, i32, i1 ()*, i32, i32, ...)
     56 declare i1 @llvm.experimental.gc.result.i1(token)
     57 declare i8 addrspace(1)* @llvm.experimental.gc.relocate.p1i8(token, i32, i32)
     58