blob: d9c3061ff68711e1e3be5861fad61e69cf6af123 [file] [log] [blame]
Dan Gohman36a09472009-09-08 23:54:48 +00001; RUN: llc < %s -march=x86 | \
Dan Gohman28beeea2007-08-15 13:36:28 +00002; RUN: grep {s\[ah\]\[rl\]l} | count 1
Chris Lattnerbd8b13d2005-05-09 17:09:31 +00003
Chris Lattner2831a192010-10-01 05:36:09 +00004define i32* @test1(i32* %P, i32 %X) nounwind {
Tanya Lattner33eefff2008-02-21 07:42:26 +00005 %Y = lshr i32 %X, 2 ; <i32> [#uses=1]
6 %gep.upgrd.1 = zext i32 %Y to i64 ; <i64> [#uses=1]
7 %P2 = getelementptr i32* %P, i64 %gep.upgrd.1 ; <i32*> [#uses=1]
8 ret i32* %P2
Chris Lattnerbd8b13d2005-05-09 17:09:31 +00009}
10
Chris Lattner2831a192010-10-01 05:36:09 +000011define i32* @test2(i32* %P, i32 %X) nounwind {
Tanya Lattner33eefff2008-02-21 07:42:26 +000012 %Y = shl i32 %X, 2 ; <i32> [#uses=1]
13 %gep.upgrd.2 = zext i32 %Y to i64 ; <i64> [#uses=1]
14 %P2 = getelementptr i32* %P, i64 %gep.upgrd.2 ; <i32*> [#uses=1]
15 ret i32* %P2
Chris Lattnerbd8b13d2005-05-09 17:09:31 +000016}
17
Chris Lattner2831a192010-10-01 05:36:09 +000018define i32* @test3(i32* %P, i32 %X) nounwind {
Tanya Lattner33eefff2008-02-21 07:42:26 +000019 %Y = ashr i32 %X, 2 ; <i32> [#uses=1]
20 %P2 = getelementptr i32* %P, i32 %Y ; <i32*> [#uses=1]
21 ret i32* %P2
Chris Lattnerbd8b13d2005-05-09 17:09:31 +000022}
Tanya Lattner33eefff2008-02-21 07:42:26 +000023
Dan Gohman4e39e9d2010-06-24 14:30:44 +000024define fastcc i32 @test4(i32* %d) nounwind {
25 %tmp4 = load i32* %d
26 %tmp512 = lshr i32 %tmp4, 24
27 ret i32 %tmp512
28}