28 lines
		
	
	
		
			935 B
		
	
	
	
		
			LLVM
		
	
	
	
			
		
		
	
	
			28 lines
		
	
	
		
			935 B
		
	
	
	
		
			LLVM
		
	
	
	
| ; RUN: llc -mcpu=pwr7 -O0 -code-model=medium <%s | FileCheck %s
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| ; RUN: llc -mcpu=pwr7 -O0 -code-model=large <%s | FileCheck %s
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| 
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| ; Test correct code generation for medium and large code model
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| ; for loading and storing a weak variable
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| 
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| target datalayout = "E-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-f128:128:128-v128:128:128-n32:64"
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| target triple = "powerpc64-unknown-linux-gnu"
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| 
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| @wi = weak global i32 0, align 4
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| 
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| define signext i32 @test_weak() nounwind {
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| entry:
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|   %0 = load i32, i32* @wi, align 4
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|   %inc = add nsw i32 %0, 1
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|   store i32 %inc, i32* @wi, align 4
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|   ret i32 %0
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| }
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| 
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| ; CHECK-LABEL: test_weak:
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| ; CHECK: addis [[REG1:[0-9]+]], 2, .LC[[TOCNUM:[0-9]+]]@toc@ha
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| ; CHECK: ld [[REG2:[0-9]+]], .LC[[TOCNUM]]@toc@l([[REG1]])
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| ; CHECK: lwz {{[0-9]+}}, 0([[REG2]])
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| ; CHECK: stw {{[0-9]+}}, 0([[REG2]])
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| ; CHECK: .section .toc
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| ; CHECK: .LC[[TOCNUM]]:
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| ; CHECK: .tc {{[a-z0-9A-Z_.]+}}[TC],{{[a-z0-9A-Z_.]+}}
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