| Rafael Espindola | 80546be | 2014-06-02 21:23:54 +0000 | [diff] [blame] | 1 | ; RUN: opt < %s -instcombine -S | FileCheck %s |
| Chris Lattner | 7ac943f | 2008-05-20 05:46:13 +0000 | [diff] [blame] | 2 | |
| Rafael Espindola | 80546be | 2014-06-02 21:23:54 +0000 | [diff] [blame] | 3 | ; CHECK-LABEL: define i64 @test |
| Chris Lattner | 7ac943f | 2008-05-20 05:46:13 +0000 | [diff] [blame] | 4 | define i64 @test1(i32 %A) { |
| Rafael Espindola | 80546be | 2014-06-02 21:23:54 +0000 | [diff] [blame] | 5 | ; CHECK: %[[ADD:.*]] = add nsw i32 %B, %C |
| 6 | ; CHECK: %F = sext i32 %[[ADD]] to i64 |
| 7 | ; CHECK: ret i64 %F |
| 8 | |
| Chris Lattner | 7ac943f | 2008-05-20 05:46:13 +0000 | [diff] [blame] | 9 | %B = ashr i32 %A, 7 ; <i32> [#uses=1] |
| 10 | %C = ashr i32 %A, 9 ; <i32> [#uses=1] |
| 11 | %D = sext i32 %B to i64 ; <i64> [#uses=1] |
| 12 | %E = sext i32 %C to i64 ; <i64> [#uses=1] |
| 13 | %F = add i64 %D, %E ; <i64> [#uses=1] |
| 14 | ret i64 %F |
| 15 | } |
| 16 | |