forked from OSchip/llvm-project
				
			
		
			
				
	
	
		
			79 lines
		
	
	
		
			1.5 KiB
		
	
	
	
		
			LLVM
		
	
	
	
			
		
		
	
	
			79 lines
		
	
	
		
			1.5 KiB
		
	
	
	
		
			LLVM
		
	
	
	
| ; RUN: llc < %s -mtriple=i386-apple-macosx   | FileCheck %s --check-prefix=X32
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| ; RUN: llc < %s -mtriple=x86_64-apple-macosx | FileCheck %s --check-prefix=X64
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| 
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| define i32 @t1(i32 %t, i32 %val) nounwind {
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| ; X32-LABEL: t1:
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| ; X32-NOT: andl
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| ; X32: shll
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| 
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| ; X64-LABEL: t1:
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| ; X64-NOT: andl
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| ; X64: shll
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|        %shamt = and i32 %t, 31
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|        %res = shl i32 %val, %shamt
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|        ret i32 %res
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| }
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| 
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| define i32 @t2(i32 %t, i32 %val) nounwind {
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| ; X32-LABEL: t2:
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| ; X32-NOT: andl
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| ; X32: shll
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| 
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| ; X64-LABEL: t2:
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| ; X64-NOT: andl
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| ; X64: shll
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|        %shamt = and i32 %t, 63
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|        %res = shl i32 %val, %shamt
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|        ret i32 %res
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| }
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| 
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| @X = internal global i16 0
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| 
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| define void @t3(i16 %t) nounwind {
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| ; X32-LABEL: t3:
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| ; X32-NOT: andl
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| ; X32: sarw
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| 
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| ; X64-LABEL: t3:
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| ; X64-NOT: andl
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| ; X64: sarw
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|        %shamt = and i16 %t, 31
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|        %tmp = load i16* @X
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|        %tmp1 = ashr i16 %tmp, %shamt
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|        store i16 %tmp1, i16* @X
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|        ret void
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| }
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| 
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| define i64 @t4(i64 %t, i64 %val) nounwind {
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| ; X64-LABEL: t4:
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| ; X64-NOT: and
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| ; X64: shrq
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|        %shamt = and i64 %t, 63
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|        %res = lshr i64 %val, %shamt
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|        ret i64 %res
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| }
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| 
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| define i64 @t5(i64 %t, i64 %val) nounwind {
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| ; X64-LABEL: t5:
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| ; X64-NOT: and
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| ; X64: shrq
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|        %shamt = and i64 %t, 191
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|        %res = lshr i64 %val, %shamt
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|        ret i64 %res
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| }
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| 
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| 
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| ; rdar://11866926
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| define i64 @t6(i64 %key, i64* nocapture %val) nounwind {
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| entry:
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| ; X64-LABEL: t6:
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| ; X64-NOT: movabsq
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| ; X64: decq
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| ; X64: andq
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|   %shr = lshr i64 %key, 3
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|   %0 = load i64* %val, align 8
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|   %sub = add i64 %0, 2305843009213693951
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|   %and = and i64 %sub, %shr
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|   ret i64 %and
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| }
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