87 lines
		
	
	
		
			4.7 KiB
		
	
	
	
		
			LLVM
		
	
	
	
			
		
		
	
	
			87 lines
		
	
	
		
			4.7 KiB
		
	
	
	
		
			LLVM
		
	
	
	
| ; RUN: opt -verify -S < %s | FileCheck %s
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| 
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| ; Tests the name mangling performed by the codepath following
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| ; getMangledTypeStr(). Only tests that code with the various manglings
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| ; run fine: doesn't actually test the mangling with the type of the
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| ; arguments. Meant to serve as an example-document on how the user
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| ; should do name manglings.
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| 
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| ; Exercise the most general case, llvm_anyptr_type, using gc.relocate
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| ; and gc.statepoint. Note that it has nothing to do with gc.*
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| ; functions specifically: any function that accepts llvm_anyptr_type
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| ; will serve the purpose.
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| 
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| ; function and integer
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| define i32* @test_iAny(i32* %v) gc "statepoint-example" {
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|        %tok = 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* %v)
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|        %v-new = call i32* @llvm.experimental.gc.relocate.p0i32(token %tok,  i32 7, i32 7)
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|        ret i32* %v-new
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| }
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| 
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| ; float
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| define float* @test_fAny(float* %v) gc "statepoint-example" {
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|        %tok = 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, float* %v)
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|        %v-new = call float* @llvm.experimental.gc.relocate.p0f32(token %tok,  i32 7, i32 7)
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|        ret float* %v-new
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| }
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| 
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| ; array of integers
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| define [3 x i32]* @test_aAny([3 x i32]* %v) gc "statepoint-example" {
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|        %tok = 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, [3 x i32]* %v)
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|        %v-new = call [3 x i32]* @llvm.experimental.gc.relocate.p0a3i32(token %tok,  i32 7, i32 7)
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|        ret [3 x i32]* %v-new
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| }
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| 
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| ; vector of integers
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| define <3 x i32>* @test_vAny(<3 x i32>* %v) gc "statepoint-example" {
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|        %tok = 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, <3 x i32>* %v)
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|        %v-new = call <3 x i32>* @llvm.experimental.gc.relocate.p0v3i32(token %tok,  i32 7, i32 7)
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|        ret <3 x i32>* %v-new
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| }
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| 
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| %struct.test = type { i32, i1 }
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| 
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| ; struct
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| define %struct.test* @test_struct(%struct.test* %v) gc "statepoint-example" {
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|        %tok = 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, %struct.test* %v)
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|        %v-new = call %struct.test* @llvm.experimental.gc.relocate.p0s_struct.tests(token %tok,  i32 7, i32 7)
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|        ret %struct.test* %v-new
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| }
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| 
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| ; literal struct with nested literal struct
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| define {i64, i64, {i64} }* @test_literal_struct({i64, i64, {i64}}* %v) gc "statepoint-example" {
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|        %tok = 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, {i64, i64, {i64}} *%v)
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|        %v-new = call {i64, i64, {i64}}* @llvm.experimental.gc.relocate.p0sl_i64i64sl_i64ss.test(token %tok,  i32 7, i32 7)
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|        ret {i64, i64, {i64}}* %v-new
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| }
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| ; struct with a horrible name, broken when structs were unprefixed
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| %i32 = type { i32 }
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| 
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| define %i32* @test_i32_struct(%i32* %v) gc "statepoint-example" {
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| entry:
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|       %tok = 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* %v)
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|       %v-new = call %i32* @llvm.experimental.gc.relocate.p0s_i32s(token %tok,  i32 7, i32 7)
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|       ret %i32* %v-new
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| }
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| ; completely broken intrinsic naming due to needing remangling. Just use random naming to test
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| 
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| define %i32* @test_broken_names(%i32* %v) gc "statepoint-example" {
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| entry:
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|       %tok = call fastcc token (i64, i32, i1 ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.deadbeef(i64 0, i32 0, i1 ()* @return_i1, i32 0, i32 0, i32 0, i32 0, %i32* %v)
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| ; Make sure we do not destroy the calling convention when remangling
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| ; CHECK: fastcc
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|       %v-new = call %i32* @llvm.experimental.gc.relocate.beefdead(token %tok,  i32 7, i32 7)
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|       ret %i32* %v-new
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| }
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| declare zeroext i1 @return_i1()
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| declare token @llvm.experimental.gc.statepoint.p0f_i1f(i64, i32, i1 ()*, i32, i32, ...)
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| declare i32* @llvm.experimental.gc.relocate.p0i32(token, i32, i32)
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| declare float* @llvm.experimental.gc.relocate.p0f32(token, i32, i32)
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| declare [3 x i32]* @llvm.experimental.gc.relocate.p0a3i32(token, i32, i32)
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| declare <3 x i32>* @llvm.experimental.gc.relocate.p0v3i32(token, i32, i32)
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| declare %struct.test* @llvm.experimental.gc.relocate.p0s_struct.tests(token, i32, i32)
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| declare {i64, i64, {i64}}* @llvm.experimental.gc.relocate.p0sl_i64i64sl_i64ss.test(token, i32, i32)
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| declare %i32* @llvm.experimental.gc.relocate.p0s_i32s(token, i32, i32)
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| declare %i32* @llvm.experimental.gc.relocate.beefdead(token, i32, i32)
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| declare token @llvm.experimental.gc.statepoint.deadbeef(i64, i32, i1 ()*, i32, i32, ...)
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