llvm-mirror/test/Transforms/InstCombine/sdiv-shift.ll

; RUN: opt < %s -instcombine -S | not grep div

define i32 @a(i16 zeroext %x, i32 %y) nounwind {
entry:
	%conv = zext i16 %x to i32
	%s = shl i32 2, %y
	%d = sdiv i32 %conv, %s
	ret i32 %d
}
Use opt -S instead of piping bitcode output through llvm-dis. llvm-svn: 81257 2009-09-09 00:34:10 +02:00			`; RUN: opt < %s -instcombine -S \| not grep div`
Add combine: X sdiv (1 << Y) -> X udiv (1 << Y) when X doesn't have the sign bit set. llvm-svn: 76304 2009-07-18 11:53:21 +02:00
			`define i32 @a(i16 zeroext %x, i32 %y) nounwind {`
			`entry:`
			`%conv = zext i16 %x to i32`
			`%s = shl i32 2, %y`
			`%d = sdiv i32 %conv, %s`
			`ret i32 %d`
			`}`