27 lines
		
	
	
		
			914 B
		
	
	
	
		
			LLVM
		
	
	
	
			
		
		
	
	
			27 lines
		
	
	
		
			914 B
		
	
	
	
		
			LLVM
		
	
	
	
| ; RUN: llc -mtriple=x86_64-pc-linux -stackrealign -stack-alignment=32 < %s | FileCheck %s
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| ; RUN: llc -mtriple=x86_64-pc-linux-gnux32 -stackrealign -stack-alignment=32 < %s | FileCheck -check-prefix=X32ABI %s
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| ; This should run with NaCl as well ( -mtriple=x86_64-pc-nacl ) but currently doesn't due to PR22655
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| 
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| ; Make sure the correct register gets set up as the base pointer
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| ; This should be rbx for x64 and 64-bit NaCl and ebx for x32
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| ; CHECK-LABEL: base
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| ; CHECK: subq $32, %rsp
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| ; CHECK: movq %rsp, %rbx
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| ; X32ABI-LABEL: base
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| ; X32ABI: subl $32, %esp
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| ; X32ABI: movl %esp, %ebx
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| ; NACL-LABEL: base
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| ; NACL: subq $32, %rsp
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| ; NACL: movq %rsp, %rbx
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| 
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| declare i32 @helper() nounwind
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| define void @base() #0 {
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| entry:
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|   %k = call i32 @helper()
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|   %a = alloca i32, i32 %k, align 4
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|   store i32 0, i32* %a, align 4
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|   ret void
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| }
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| 
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| attributes #0 = { nounwind uwtable "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf"}
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