62 lines
		
	
	
		
			1.3 KiB
		
	
	
	
		
			LLVM
		
	
	
	
			
		
		
	
	
			62 lines
		
	
	
		
			1.3 KiB
		
	
	
	
		
			LLVM
		
	
	
	
| ; RUN: llc -mtriple thumbv7-windows -filetype asm -o - %s | FileCheck %s
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| 
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| ; ModuleID = 'dllimport.c'
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| 
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| @var = external dllimport global i32
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| @ext = external global i32
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| declare dllimport arm_aapcs_vfpcc i32 @external()
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| declare arm_aapcs_vfpcc i32 @internal()
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| 
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| define arm_aapcs_vfpcc i32 @get_var() {
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|   %1 = load i32, i32* @var, align 4
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|   ret i32 %1
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| }
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| 
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| ; CHECK-LABEL: get_var
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| ; CHECK: movw r0, :lower16:__imp_var
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| ; CHECK: movt r0, :upper16:__imp_var
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| ; CHECK: ldr r0, [r0]
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| ; CHECK: ldr r0, [r0]
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| ; CHECK: bx lr
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| 
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| define arm_aapcs_vfpcc i32 @get_ext() {
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|   %1 = load i32, i32* @ext, align 4
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|   ret i32 %1
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| }
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| 
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| ; CHECK-LABEL: get_ext
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| ; CHECK: movw r0, :lower16:ext
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| ; CHECK: movt r0, :upper16:ext
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| ; CHECK: ldr r0, [r0]
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| ; CHECK: bx lr
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| 
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| define arm_aapcs_vfpcc i32* @get_var_pointer() {
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|   ret i32* @var
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| }
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| 
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| ; CHECK-LABEL: get_var_pointer
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| ; CHECK:  movw r0, :lower16:__imp_var
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| ; CHECK:  movt r0, :upper16:__imp_var
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| ; CHECK:  ldr r0, [r0]
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| ; CHECK:  bx lr
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| 
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| define arm_aapcs_vfpcc i32 @call_external() {
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|   %call = tail call arm_aapcs_vfpcc i32 @external()
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|   ret i32 %call
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| }
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| 
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| ; CHECK-LABEL: call_external
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| ; CHECK: movw r0, :lower16:__imp_external
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| ; CHECK: movt r0, :upper16:__imp_external
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| ; CHECK: ldr r0, [r0]
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| ; CHECK: bx r0
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| 
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| define arm_aapcs_vfpcc i32 @call_internal() {
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|   %call = tail call arm_aapcs_vfpcc i32 @internal()
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|   ret i32 %call
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| }
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| 
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| ; CHECK-LABEL: call_internal
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| ; CHECK: b internal
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| 
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