161 lines
		
	
	
		
			6.2 KiB
		
	
	
	
		
			LLVM
		
	
	
	
			
		
		
	
	
			161 lines
		
	
	
		
			6.2 KiB
		
	
	
	
		
			LLVM
		
	
	
	
| ; RUN: llc < %s | FileCheck %s
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| ; This file contains a collection of basic tests to ensure we didn't
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| ; screw up normal call lowering when there are no deopt or gc arguments.
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| 
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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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| 
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| %struct = type { i64, i64 }
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| 
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| declare zeroext i1 @return_i1()
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| declare zeroext i32 @return_i32()
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| declare i32* @return_i32ptr()
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| declare float @return_float()
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| declare %struct @return_struct()
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| declare void @varargf(i32, ...)
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| 
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| define i1 @test_i1_return() gc "statepoint-example" {
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| ; CHECK-LABEL: test_i1_return
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| ; This is just checking that a i1 gets lowered normally when there's no extra
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| ; state arguments to the statepoint
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| ; CHECK: pushq %rax
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| ; CHECK: callq return_i1
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| ; CHECK: popq %rcx
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| ; CHECK: retq
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| entry:
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|   %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)
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|   %call1 = call zeroext i1 @llvm.experimental.gc.result.i1(token %safepoint_token)
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|   ret i1 %call1
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| }
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| 
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| define i32 @test_i32_return() gc "statepoint-example" {
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| ; CHECK-LABEL: test_i32_return
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| ; CHECK: pushq %rax
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| ; CHECK: callq return_i32
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| ; CHECK: popq %rcx
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| ; CHECK: retq
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| entry:
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|   %safepoint_token = tail call token (i64, i32, i32 ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_i32f(i64 0, i32 0, i32 ()* @return_i32, i32 0, i32 0, i32 0, i32 0)
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|   %call1 = call zeroext i32 @llvm.experimental.gc.result.i32(token %safepoint_token)
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|   ret i32 %call1
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| }
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| 
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| define i32* @test_i32ptr_return() gc "statepoint-example" {
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| ; CHECK-LABEL: test_i32ptr_return
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| ; CHECK: pushq %rax
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| ; CHECK: callq return_i32ptr
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| ; CHECK: popq %rcx
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| ; CHECK: retq
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| entry:
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|   %safepoint_token = tail call token (i64, i32, i32* ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_p0i32f(i64 0, i32 0, i32* ()* @return_i32ptr, i32 0, i32 0, i32 0, i32 0)
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|   %call1 = call i32* @llvm.experimental.gc.result.p0i32(token %safepoint_token)
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|   ret i32* %call1
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| }
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| 
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| define float @test_float_return() gc "statepoint-example" {
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| ; CHECK-LABEL: test_float_return
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| ; CHECK: pushq %rax
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| ; CHECK: callq return_float
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| ; CHECK: popq %rax
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| ; CHECK: retq
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| entry:
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|   %safepoint_token = tail call token (i64, i32, float ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_f32f(i64 0, i32 0, float ()* @return_float, i32 0, i32 0, i32 0, i32 0)
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|   %call1 = call float @llvm.experimental.gc.result.f32(token %safepoint_token)
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|   ret float %call1
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| }
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| 
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| define %struct @test_struct_return() gc "statepoint-example" {
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| ; CHECK-LABEL: test_struct_return
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| ; CHECK: pushq %rax
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| ; CHECK: callq return_struct
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| ; CHECK: popq %rcx
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| ; CHECK: retq
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| entry:
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|   %safepoint_token = tail call token (i64, i32, %struct ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_structf(i64 0, i32 0, %struct ()* @return_struct, i32 0, i32 0, i32 0, i32 0)
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|   %call1 = call %struct @llvm.experimental.gc.result.struct(token %safepoint_token)
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|   ret %struct %call1
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| }
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| 
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| define i1 @test_relocate(i32 addrspace(1)* %a) gc "statepoint-example" {
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| ; CHECK-LABEL: test_relocate
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| ; Check that an ununsed relocate has no code-generation impact
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| ; CHECK: pushq %rax
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| ; CHECK: callq return_i1
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| ; CHECK-NEXT: .Ltmp11:
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| ; CHECK-NEXT: popq %rcx
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| ; CHECK-NEXT: retq
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| entry:
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|   %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, i32 addrspace(1)* %a)
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|   %call1 = call i32 addrspace(1)* @llvm.experimental.gc.relocate.p1i32(token %safepoint_token,  i32 7, i32 7)
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|   %call2 = call zeroext i1 @llvm.experimental.gc.result.i1(token %safepoint_token)
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|   ret i1 %call2
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| }
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| 
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| define void @test_void_vararg() gc "statepoint-example" {
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| ; CHECK-LABEL: test_void_vararg
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| ; Check a statepoint wrapping a *void* returning vararg function works
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| ; CHECK: callq varargf
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| entry:
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|   %safepoint_token = tail call token (i64, i32, void (i32, ...)*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidi32varargf(i64 0, i32 0, void (i32, ...)* @varargf, i32 2, i32 0, i32 42, i32 43, i32 0, i32 0)
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|   ;; if we try to use the result from a statepoint wrapping a
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|   ;; non-void-returning varargf, we will experience a crash.
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|   ret void
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| }
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| 
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| define i1 @test_i1_return_patchable() gc "statepoint-example" {
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| ; CHECK-LABEL: test_i1_return_patchable
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| ; A patchable variant of test_i1_return
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| ; CHECK: pushq %rax
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| ; CHECK: nopl
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| ; CHECK: popq %rcx
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| ; CHECK: retq
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| entry:
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|   %safepoint_token = tail call token (i64, i32, i1 ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_i1f(i64 0, i32 3, i1 ()*null, 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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|   ret i1 %call1
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| }
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| 
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| declare void @consume(i32 addrspace(1)* %obj)
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| 
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| define i1 @test_cross_bb(i32 addrspace(1)* %a, i1 %external_cond) gc "statepoint-example" {
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| ; CHECK-LABEL: test_cross_bb
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| ; CHECK: movq
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| ; CHECK: callq return_i1
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| ; CHECK: %left
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| ; CHECK: movq
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| ; CHECK-NEXT: callq consume
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| ; CHECK: retq
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| entry:
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|   %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, i32 addrspace(1)* %a)
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|   br i1 %external_cond, label %left, label %right
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| 
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| left:
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|   %call1 = call i32 addrspace(1)* @llvm.experimental.gc.relocate.p1i32(token %safepoint_token,  i32 7, i32 7)
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|   %call2 = call zeroext i1 @llvm.experimental.gc.result.i1(token %safepoint_token)
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|   call void @consume(i32 addrspace(1)* %call1)
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|   ret i1 %call2
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| 
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| right:
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|   ret i1 true
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| }
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| 
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| 
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| declare token @llvm.experimental.gc.statepoint.p0f_i1f(i64, i32, i1 ()*, i32, i32, ...)
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| declare i1 @llvm.experimental.gc.result.i1(token)
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| 
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| declare token @llvm.experimental.gc.statepoint.p0f_i32f(i64, i32, i32 ()*, i32, i32, ...)
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| declare i32 @llvm.experimental.gc.result.i32(token)
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| 
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| declare token @llvm.experimental.gc.statepoint.p0f_p0i32f(i64, i32, i32* ()*, i32, i32, ...)
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| declare i32* @llvm.experimental.gc.result.p0i32(token)
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| 
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| declare token @llvm.experimental.gc.statepoint.p0f_f32f(i64, i32, float ()*, i32, i32, ...)
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| declare float @llvm.experimental.gc.result.f32(token)
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| 
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| declare token @llvm.experimental.gc.statepoint.p0f_structf(i64, i32, %struct ()*, i32, i32, ...)
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| declare %struct @llvm.experimental.gc.result.struct(token)
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| 
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| declare token @llvm.experimental.gc.statepoint.p0f_isVoidi32varargf(i64, i32, void (i32, ...)*, i32, i32, ...)
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| 
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| declare i32 addrspace(1)* @llvm.experimental.gc.relocate.p1i32(token, i32, i32)
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