| Sanjoy Das | 9fe86d9 | 2015-12-05 23:44:22 +0000 | [diff] [blame] | 1 | ; RUN: opt -S -instcombine < %s | FileCheck %s |
| 2 | |
| 3 | ; Checking for a crash |
| 4 | |
| 5 | declare void @use.i1(i1 %val) |
| 6 | declare void @use.i64(i64 %val) |
| 7 | |
| 8 | define i64 @f(i32 %x) { |
| 9 | ; CHECK-LABEL: @f( |
| 10 | entry: |
| 11 | %x.wide = sext i32 %x to i64 |
| 12 | %minus.x = sub i32 0, %x |
| 13 | %minus.x.wide = sext i32 %minus.x to i64 |
| 14 | %c = icmp slt i32 %x, 0 |
| 15 | %val = select i1 %c, i64 %x.wide, i64 %minus.x.wide |
| 16 | call void @use.i1(i1 %c) |
| 17 | call void @use.i64(i64 %x.wide) |
| 18 | ret i64 %val |
| 19 | ; CHECK: ret i64 %val |
| 20 | } |