| Dan Gohman | da594cf | 2009-09-09 00:09:15 +0000 | [diff] [blame] | 1 | ; RUN: llc < %s -march=thumb -mattr=+thumb2 | \ |
| Evan Cheng | a562626 | 2009-07-07 01:17:28 +0000 | [diff] [blame] | 2 | ; RUN: grep smulbt | count 1 |
| Dan Gohman | da594cf | 2009-09-09 00:09:15 +0000 | [diff] [blame] | 3 | ; RUN: llc < %s -march=thumb -mattr=+thumb2 | \ |
| Evan Cheng | a562626 | 2009-07-07 01:17:28 +0000 | [diff] [blame] | 4 | ; RUN: grep smultt | count 1 |
| 5 | |
| 6 | @x = weak global i16 0 ; <i16*> [#uses=1] |
| 7 | @y = weak global i16 0 ; <i16*> [#uses=0] |
| 8 | |
| 9 | define i32 @f1(i32 %y) { |
| 10 | %tmp = load i16* @x ; <i16> [#uses=1] |
| 11 | %tmp1 = add i16 %tmp, 2 ; <i16> [#uses=1] |
| 12 | %tmp2 = sext i16 %tmp1 to i32 ; <i32> [#uses=1] |
| 13 | %tmp3 = ashr i32 %y, 16 ; <i32> [#uses=1] |
| 14 | %tmp4 = mul i32 %tmp2, %tmp3 ; <i32> [#uses=1] |
| 15 | ret i32 %tmp4 |
| 16 | } |
| 17 | |
| 18 | define i32 @f2(i32 %x, i32 %y) { |
| 19 | %tmp1 = ashr i32 %x, 16 ; <i32> [#uses=1] |
| 20 | %tmp3 = ashr i32 %y, 16 ; <i32> [#uses=1] |
| 21 | %tmp4 = mul i32 %tmp3, %tmp1 ; <i32> [#uses=1] |
| 22 | ret i32 %tmp4 |
| 23 | } |