| Saleem Abdulrasool | 905b6d19 | 2014-04-03 23:47:24 +0000 | [diff] [blame] | 1 | ; RUN: llc -mtriple=thumb-eabi -mcpu=arm1156t2-s -mattr=+thumb2,+t2dsp %s -o - | FileCheck %s |
| Evan Cheng | b24e51e | 2009-07-07 01:17:28 +0000 | [diff] [blame] | 2 | |
| 3 | define i32 @smulhi(i32 %x, i32 %y) { |
| Jim Grosbach | cf1464d | 2011-07-01 21:12:19 +0000 | [diff] [blame] | 4 | ; CHECK: smulhi |
| 5 | ; CHECK: smmul r0, r1, r0 |
| Evan Cheng | b24e51e | 2009-07-07 01:17:28 +0000 | [diff] [blame] | 6 | %tmp = sext i32 %x to i64 ; <i64> [#uses=1] |
| 7 | %tmp1 = sext i32 %y to i64 ; <i64> [#uses=1] |
| 8 | %tmp2 = mul i64 %tmp1, %tmp ; <i64> [#uses=1] |
| 9 | %tmp3 = lshr i64 %tmp2, 32 ; <i64> [#uses=1] |
| 10 | %tmp3.upgrd.1 = trunc i64 %tmp3 to i32 ; <i32> [#uses=1] |
| 11 | ret i32 %tmp3.upgrd.1 |
| 12 | } |
| 13 | |
| 14 | define i32 @umulhi(i32 %x, i32 %y) { |
| Jim Grosbach | cf1464d | 2011-07-01 21:12:19 +0000 | [diff] [blame] | 15 | ; CHECK: umulhi |
| 16 | ; CHECK: umull r1, r0, r1, r0 |
| Evan Cheng | b24e51e | 2009-07-07 01:17:28 +0000 | [diff] [blame] | 17 | %tmp = zext i32 %x to i64 ; <i64> [#uses=1] |
| 18 | %tmp1 = zext i32 %y to i64 ; <i64> [#uses=1] |
| 19 | %tmp2 = mul i64 %tmp1, %tmp ; <i64> [#uses=1] |
| 20 | %tmp3 = lshr i64 %tmp2, 32 ; <i64> [#uses=1] |
| 21 | %tmp3.upgrd.2 = trunc i64 %tmp3 to i32 ; <i32> [#uses=1] |
| 22 | ret i32 %tmp3.upgrd.2 |
| 23 | } |