llvm-mirror/test/Transforms/InstCombine/2007-03-25-DoubleShift.ll

; PR1271
; RUN: opt < %s -instcombine -S | grep and
define i1 @test(i32 %tmp13) {
entry:
	%tmp14 = shl i32 %tmp13, 12		; <i32> [#uses=1]
	%tmp15 = lshr i32 %tmp14, 12		; <i32> [#uses=1]
	%res = icmp ne i32 %tmp15, 0		; <i1>:3 [#uses=1]
        ret i1 %res
}
Add a test case for PR1271 (necessary, but not sufficient). llvm-svn: 35343 2007-03-25 23:30:41 +02:00			`; PR1271`
Change tests from "opt %s" to "opt < %s" so that opt doesn't see the input filename so that opt doesn't print the input filename in the output so that grep lines in the tests don't unintentionally match strings in the input filename. llvm-svn: 81537 2009-09-11 20:01:28 +02:00			`; RUN: opt < %s -instcombine -S \| grep and`
Add a test case for PR1271 (necessary, but not sufficient). llvm-svn: 35343 2007-03-25 23:30:41 +02:00			`define i1 @test(i32 %tmp13) {`
			`entry:`
			`%tmp14 = shl i32 %tmp13, 12 ; <i32> [#uses=1]`
			`%tmp15 = lshr i32 %tmp14, 12 ; <i32> [#uses=1]`
			`%res = icmp ne i32 %tmp15, 0 ; <i1>:3 [#uses=1]`
			`ret i1 %res`
			`}`