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Differential D40792 Diff 125403 llvm/trunk/test/CodeGen/X86/rotate.ll

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	; 64-NEXT: retq			; 64-NEXT: retq
	%A = load i8, i8 *%Aptr			%A = load i8, i8 *%Aptr
	%B = shl i8 %A, 7			%B = shl i8 %A, 7
	%C = lshr i8 %A, 1			%C = lshr i8 %A, 1
	%D = or i8 %B, %C			%D = or i8 %B, %C
	store i8 %D, i8* %Aptr			store i8 %D, i8* %Aptr
	ret void			ret void
	}			}

				define i64 @truncated_rot(i64 %x, i32 %amt) {
				entry:
				%sh_prom = zext i32 %amt to i64
				%shl = shl i64 %x, %sh_prom
				%sub = sub nsw i32 64, %amt
				%sh_prom1 = zext i32 %sub to i64
				%shr = lshr i64 %x, %sh_prom1
				%or = or i64 %shr, %shl
				%and = and i64 %or, 4294967295
				ret i64 %and

				; 64-LABEL: truncated_rot:
				; 64: # %bb.0:
				; 64-NEXT: movl %esi, %ecx
				; 64-NEXT: rolq %cl, %rdi
				; 64-NEXT: movl %edi, %eax
				; 64-NEXT: retq
				}