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			42 lines
		
	
	
		
			1.6 KiB
		
	
	
	
		
			LLVM
		
	
	
	
	
	
			
		
		
	
	
			42 lines
		
	
	
		
			1.6 KiB
		
	
	
	
		
			LLVM
		
	
	
	
	
	
| ; RUN: llc < %s -disable-fp-elim -mtriple x86_64-apple-darwin11 -mcpu corei7 | FileCheck -check-prefix=ASM %s
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| ; RUN: llc < %s -disable-fp-elim -mtriple x86_64-apple-darwin11 -mcpu corei7 -filetype=obj -o - \
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| ; RUN:  | llvm-objdump -triple x86_64-apple-darwin11 -s - \
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| ; RUN:  | FileCheck -check-prefix=CU %s
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| ; RUN: llc < %s -disable-fp-elim -mtriple x86_64-apple-darwin11 -mcpu corei7 \
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| ; RUN:  | llvm-mc -triple x86_64-apple-darwin11 -filetype=obj -o - \
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| ; RUN:  | llvm-objdump -triple x86_64-apple-darwin11 -s - \
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| ; RUN:  | FileCheck -check-prefix=FROM-ASM %s
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| 
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| %ty = type { i8* }
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| 
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| @gv = external global i32
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| 
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| ; This is aligning the stack with a push of a random register.
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| ; ASM: pushq %rax
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| 
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| ; Even though we can't encode %rax into the compact unwind, We still want to be
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| ; able to generate a compact unwind encoding in this particular case.
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| 
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| ; CU:      Contents of section __compact_unwind:
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| ; CU-NEXT: 0020 00000000 00000000 1e000000 01000101
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| ; CU-NEXT: 0030 00000000 00000000 00000000 00000000
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| 
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| ; FROM-ASM:      Contents of section __compact_unwind:
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| ; FROM-ASM-NEXT: 0020 00000000 00000000 1e000000 01000101
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| ; FROM-ASM-NEXT: 0030 00000000 00000000 00000000 00000000
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| 
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| define i8* @foo(i64 %size) {
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|   %addr = alloca i64, align 8
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|   %tmp20 = load i32* @gv, align 4
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|   %tmp21 = call i32 @bar()
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|   %tmp25 = load i64* %addr, align 8
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|   %tmp26 = inttoptr i64 %tmp25 to %ty*
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|   %tmp29 = getelementptr inbounds %ty* %tmp26, i64 0, i32 0
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|   %tmp34 = load i8** %tmp29, align 8
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|   %tmp35 = getelementptr inbounds i8* %tmp34, i64 %size
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|   store i8* %tmp35, i8** %tmp29, align 8
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|   ret i8* null
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| }
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| 
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| declare i32 @bar()
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