31 lines
		
	
	
		
			1.2 KiB
		
	
	
	
		
			LLVM
		
	
	
	
			
		
		
	
	
			31 lines
		
	
	
		
			1.2 KiB
		
	
	
	
		
			LLVM
		
	
	
	
| ; RUN: llc < %s -mtriple=i386-apple-darwin9 -O0 -optimize-regalloc -regalloc=basic -no-integrated-as | FileCheck %s
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| ; rdar://6992609
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| 
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| ; CHECK: movl [[EDX:%e..]], 4(%esp)
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| ; CHECK: movl [[EDX]], 4(%esp)
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| target triple = "i386-apple-darwin9.0"
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| @llvm.used = appending global [1 x i8*] [i8* bitcast (i64 (i64)* @_OSSwapInt64 to i8*)], section "llvm.metadata"		; <[1 x i8*]*> [#uses=0]
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| 
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| define i64 @_OSSwapInt64(i64 %_data) nounwind {
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| entry:
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| 	%retval = alloca i64		; <i64*> [#uses=2]
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| 	%_data.addr = alloca i64		; <i64*> [#uses=4]
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| 	store i64 %_data, i64* %_data.addr
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| 	%tmp = load i64, i64* %_data.addr		; <i64> [#uses=1]
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| 	%0 = call i64 asm "bswap   %eax\0A\09bswap   %edx\0A\09xchgl   %eax, %edx", "=A,0,~{dirflag},~{fpsr},~{flags}"(i64 %tmp) nounwind		; <i64> [#uses=1]
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| 	store i64 %0, i64* %_data.addr
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| 	%tmp1 = load i64, i64* %_data.addr		; <i64> [#uses=1]
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| 	store i64 %tmp1, i64* %retval
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| 	%1 = load i64, i64* %retval		; <i64> [#uses=1]
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| 	ret i64 %1
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| }
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| 
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| ; The tied operands are not necessarily in the same order as the defs.
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| ; PR13742
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| define i64 @swapped(i64 %x, i64 %y) nounwind {
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| entry:
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| 	%x0 = call { i64, i64 } asm "foo", "=r,=r,1,0,~{dirflag},~{fpsr},~{flags}"(i64 %x, i64 %y) nounwind
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|         %x1 = extractvalue { i64, i64 } %x0, 0
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|         ret i64 %x1
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| }
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