blob: 10bbe7442007999e570406fff6eccc1bc6685448 [file] [log] [blame]
Dan Gohman36a09472009-09-08 23:54:48 +00001; RUN: llc < %s -march=x86 | grep {orl \$1, %eax}
2; RUN: llc < %s -march=x86 | grep {leal 3(,%eax,8)}
Chris Lattner2b5d75c2007-02-04 20:15:15 +00003
4;; This example can't fold the or into an LEA.
Evan Chengd9d3a892010-01-12 18:29:23 +00005define i32 @test(float ** %tmp2, i32 %tmp12) nounwind {
Chris Lattner2b5d75c2007-02-04 20:15:15 +00006 %tmp3 = load float** %tmp2
7 %tmp132 = shl i32 %tmp12, 2 ; <i32> [#uses=1]
Reid Spencer1853da32007-02-05 04:00:04 +00008 %tmp4 = bitcast float* %tmp3 to i8* ; <i8*> [#uses=1]
9 %ctg2 = getelementptr i8* %tmp4, i32 %tmp132 ; <i8*> [#uses=1]
Chris Lattner2b5d75c2007-02-04 20:15:15 +000010 %tmp6 = ptrtoint i8* %ctg2 to i32 ; <i32> [#uses=1]
11 %tmp14 = or i32 %tmp6, 1 ; <i32> [#uses=1]
12 ret i32 %tmp14
13}
14
15
16;; This can!
Evan Chengd9d3a892010-01-12 18:29:23 +000017define i32 @test2(i32 %a, i32 %b) nounwind {
Chris Lattner2b5d75c2007-02-04 20:15:15 +000018 %c = shl i32 %a, 3
19 %d = or i32 %c, 3
20 ret i32 %d
21}