| Chandler Carruth | 327b8f1 | 2011-07-02 20:43:04 +0000 | [diff] [blame] | 1 | ; RUN: llc < %s -march=x86 | FileCheck %s |
| Chris Lattner | 2b5d75c | 2007-02-04 20:15:15 +0000 | [diff] [blame] | 2 | |
| 3 | ;; This example can't fold the or into an LEA. |
| Evan Cheng | d9d3a89 | 2010-01-12 18:29:23 +0000 | [diff] [blame] | 4 | define i32 @test(float ** %tmp2, i32 %tmp12) nounwind { |
| Chandler Carruth | 327b8f1 | 2011-07-02 20:43:04 +0000 | [diff] [blame] | 5 | ; CHECK: test: |
| 6 | ; CHECK-NOT: ret |
| 7 | ; CHECK: orl $1, %{{.*}} |
| 8 | ; CHECK: ret |
| 9 | |
| Chris Lattner | 2b5d75c | 2007-02-04 20:15:15 +0000 | [diff] [blame] | 10 | %tmp3 = load float** %tmp2 |
| 11 | %tmp132 = shl i32 %tmp12, 2 ; <i32> [#uses=1] |
| Reid Spencer | 1853da3 | 2007-02-05 04:00:04 +0000 | [diff] [blame] | 12 | %tmp4 = bitcast float* %tmp3 to i8* ; <i8*> [#uses=1] |
| 13 | %ctg2 = getelementptr i8* %tmp4, i32 %tmp132 ; <i8*> [#uses=1] |
| Chris Lattner | 2b5d75c | 2007-02-04 20:15:15 +0000 | [diff] [blame] | 14 | %tmp6 = ptrtoint i8* %ctg2 to i32 ; <i32> [#uses=1] |
| 15 | %tmp14 = or i32 %tmp6, 1 ; <i32> [#uses=1] |
| 16 | ret i32 %tmp14 |
| 17 | } |
| 18 | |
| Chris Lattner | 2b5d75c | 2007-02-04 20:15:15 +0000 | [diff] [blame] | 19 | ;; This can! |
| Evan Cheng | d9d3a89 | 2010-01-12 18:29:23 +0000 | [diff] [blame] | 20 | define i32 @test2(i32 %a, i32 %b) nounwind { |
| Chandler Carruth | 327b8f1 | 2011-07-02 20:43:04 +0000 | [diff] [blame] | 21 | ; CHECK: test2: |
| 22 | ; CHECK-NOT: ret |
| 23 | ; CHECK: leal 3(,%{{.*}},8) |
| 24 | ; CHECK: ret |
| 25 | |
| Chris Lattner | 2b5d75c | 2007-02-04 20:15:15 +0000 | [diff] [blame] | 26 | %c = shl i32 %a, 3 |
| 27 | %d = or i32 %c, 3 |
| 28 | ret i32 %d |
| 29 | } |