Tanya Lattner | 97b38e1 | 2008-03-19 05:39:35 +0000 | [diff] [blame] | 1 | ; RUN: llvm-as < %s | \ |
Dan Gohman | f17a25c | 2007-07-18 16:29:46 +0000 | [diff] [blame] | 2 | ; RUN: opt -predsimplify -instcombine -simplifycfg | llvm-dis > %t |
| 3 | ; RUN: grep -v declare %t | not grep fail |
Dan Gohman | 552fb26 | 2007-08-15 13:49:33 +0000 | [diff] [blame] | 4 | ; RUN: grep -v declare %t | grep pass | count 3 |
Dan Gohman | f17a25c | 2007-07-18 16:29:46 +0000 | [diff] [blame] | 5 | |
Tanya Lattner | 97b38e1 | 2008-03-19 05:39:35 +0000 | [diff] [blame] | 6 | define i32 @test1(i32 %x, i32 %y) { |
Dan Gohman | f17a25c | 2007-07-18 16:29:46 +0000 | [diff] [blame] | 7 | entry: |
Tanya Lattner | 97b38e1 | 2008-03-19 05:39:35 +0000 | [diff] [blame] | 8 | %tmp2 = or i32 %x, %y ; <i32> [#uses=1] |
| 9 | %tmp = icmp eq i32 %tmp2, 0 ; <i1> [#uses=1] |
| 10 | br i1 %tmp, label %cond_true, label %return |
Dan Gohman | f17a25c | 2007-07-18 16:29:46 +0000 | [diff] [blame] | 11 | cond_true: ; preds = %entry |
Tanya Lattner | 97b38e1 | 2008-03-19 05:39:35 +0000 | [diff] [blame] | 12 | %tmp4 = icmp eq i32 %x, 0 ; <i1> [#uses=1] |
| 13 | br i1 %tmp4, label %cond_true5, label %cond_false |
Dan Gohman | f17a25c | 2007-07-18 16:29:46 +0000 | [diff] [blame] | 14 | cond_true5: ; preds = %cond_true |
Tanya Lattner | 97b38e1 | 2008-03-19 05:39:35 +0000 | [diff] [blame] | 15 | %tmp6 = call i32 @pass( ) ; <i32> [#uses=1] |
| 16 | ret i32 %tmp6 |
| 17 | cond_false: ; preds = %cond_true |
| 18 | %tmp8 = call i32 @fail( ) ; <i32> [#uses=1] |
| 19 | ret i32 %tmp8 |
| 20 | return: ; preds = %entry |
| 21 | ret i32 0 |
Dan Gohman | f17a25c | 2007-07-18 16:29:46 +0000 | [diff] [blame] | 22 | } |
| 23 | |
Tanya Lattner | 97b38e1 | 2008-03-19 05:39:35 +0000 | [diff] [blame] | 24 | define i32 @test2(i32 %x, i32 %y) { |
Dan Gohman | f17a25c | 2007-07-18 16:29:46 +0000 | [diff] [blame] | 25 | entry: |
Tanya Lattner | 97b38e1 | 2008-03-19 05:39:35 +0000 | [diff] [blame] | 26 | %tmp2 = or i32 %x, %y ; <i32> [#uses=1] |
| 27 | %tmp = icmp ne i32 %tmp2, 0 ; <i1> [#uses=1] |
| 28 | br i1 %tmp, label %cond_true, label %return |
Dan Gohman | f17a25c | 2007-07-18 16:29:46 +0000 | [diff] [blame] | 29 | cond_true: ; preds = %entry |
Tanya Lattner | 97b38e1 | 2008-03-19 05:39:35 +0000 | [diff] [blame] | 30 | %tmp4 = icmp eq i32 %x, 0 ; <i1> [#uses=1] |
| 31 | br i1 %tmp4, label %cond_true5, label %cond_false |
Dan Gohman | f17a25c | 2007-07-18 16:29:46 +0000 | [diff] [blame] | 32 | cond_true5: ; preds = %cond_true |
Tanya Lattner | 97b38e1 | 2008-03-19 05:39:35 +0000 | [diff] [blame] | 33 | %tmp6 = call i32 @pass1( ) ; <i32> [#uses=1] |
| 34 | ret i32 %tmp6 |
| 35 | cond_false: ; preds = %cond_true |
| 36 | %tmp8 = call i32 @pass2( ) ; <i32> [#uses=1] |
| 37 | ret i32 %tmp8 |
| 38 | return: ; preds = %entry |
| 39 | ret i32 0 |
Dan Gohman | f17a25c | 2007-07-18 16:29:46 +0000 | [diff] [blame] | 40 | } |
| 41 | |
Tanya Lattner | 97b38e1 | 2008-03-19 05:39:35 +0000 | [diff] [blame] | 42 | declare i32 @fail() |
| 43 | |
| 44 | declare i32 @pass() |
| 45 | |
| 46 | declare i32 @pass1() |
| 47 | |
| 48 | declare i32 @pass2() |