| David Majnemer | c82f27a | 2013-06-03 20:43:12 +0000 | [diff] [blame] | 1 | ; RUN: opt < %s -simplifycfg -S | FileCheck %s |
| 2 | |
| David Majnemer | c82f27a | 2013-06-03 20:43:12 +0000 | [diff] [blame] | 3 | @b = extern_weak global i32 |
| Rafael Espindola | a5e536a | 2013-06-04 14:11:59 +0000 | [diff] [blame^] | 4 | |
| David Majnemer | c82f27a | 2013-06-03 20:43:12 +0000 | [diff] [blame] | 5 | define i32 @foo(i1 %y) { |
| Rafael Espindola | a5e536a | 2013-06-04 14:11:59 +0000 | [diff] [blame^] | 6 | ; CHECK: define i32 @foo(i1 %y) { |
| David Majnemer | c82f27a | 2013-06-03 20:43:12 +0000 | [diff] [blame] | 7 | br i1 %y, label %bb1, label %bb2 |
| 8 | bb1: |
| 9 | br label %bb3 |
| 10 | bb2: |
| 11 | br label %bb3 |
| 12 | bb3: |
| 13 | %cond.i = phi i32 [ 0, %bb1 ], [ srem (i32 1, i32 zext (i1 icmp eq (i32* @b, i32* null) to i32)), %bb2 ] |
| Rafael Espindola | a5e536a | 2013-06-04 14:11:59 +0000 | [diff] [blame^] | 14 | ; CHECK: phi i32 {{.*}} srem (i32 1, i32 zext (i1 icmp eq (i32* @b, i32* null) to i32)), %bb2 |
| David Majnemer | c82f27a | 2013-06-03 20:43:12 +0000 | [diff] [blame] | 15 | ret i32 %cond.i |
| 16 | } |
| Rafael Espindola | a5e536a | 2013-06-04 14:11:59 +0000 | [diff] [blame^] | 17 | |
| 18 | define i32 @foo2(i1 %x) { |
| 19 | ; CHECK: define i32 @foo2(i1 %x) { |
| 20 | bb0: |
| 21 | br i1 %x, label %bb1, label %bb2 |
| 22 | bb1: |
| 23 | br label %bb2 |
| 24 | bb2: |
| 25 | %cond = phi i32 [ 0, %bb1 ], [ srem (i32 1, i32 zext (i1 icmp eq (i32* @b, i32* null) to i32)), %bb0 ] |
| 26 | ; CHECK: %cond = phi i32 [ 0, %bb1 ], [ srem (i32 1, i32 zext (i1 icmp eq (i32* @b, i32* null) to i32)), %bb0 ] |
| 27 | ret i32 %cond |
| 28 | } |