| Dan Gohman | 1880092 | 2009-09-11 18:01:28 +0000 | [diff] [blame] | 1 | ; RUN: opt < %s -mem2reg -instcombine -S | grep "ret i32 1" | count 8 |
| Owen Anderson | 3de3f99 | 2007-12-28 21:08:43 +0000 | [diff] [blame] | 2 | |
| 3 | define i32 @test1() { |
| 4 | entry: |
| 5 | %z = alloca i32 |
| 6 | store i32 0, i32* %z |
| 7 | %tmp = load i32* %z |
| 8 | %sub = sub i32 %tmp, 1 |
| 9 | %cmp = icmp ule i32 %sub, 0 |
| 10 | %retval = select i1 %cmp, i32 0, i32 1 |
| 11 | ret i32 %retval |
| 12 | } |
| 13 | |
| 14 | define i32 @test2() { |
| 15 | entry: |
| 16 | %z = alloca i32 |
| 17 | store i32 0, i32* %z |
| 18 | %tmp = load i32* %z |
| 19 | %sub = sub i32 %tmp, 1 |
| 20 | %cmp = icmp ugt i32 %sub, 0 |
| 21 | %retval = select i1 %cmp, i32 1, i32 0 |
| 22 | ret i32 %retval |
| 23 | } |
| 24 | |
| 25 | define i32 @test3() { |
| 26 | entry: |
| 27 | %z = alloca i32 |
| 28 | store i32 0, i32* %z |
| 29 | %tmp = load i32* %z |
| 30 | %sub = sub i32 %tmp, 1 |
| 31 | %cmp = icmp slt i32 %sub, 0 |
| 32 | %retval = select i1 %cmp, i32 1, i32 0 |
| 33 | ret i32 %retval |
| 34 | } |
| 35 | |
| 36 | define i32 @test4() { |
| 37 | entry: |
| 38 | %z = alloca i32 |
| 39 | store i32 0, i32* %z |
| 40 | %tmp = load i32* %z |
| 41 | %sub = sub i32 %tmp, 1 |
| 42 | %cmp = icmp sle i32 %sub, 0 |
| 43 | %retval = select i1 %cmp, i32 1, i32 0 |
| 44 | ret i32 %retval |
| 45 | } |
| 46 | |
| 47 | define i32 @test5() { |
| 48 | entry: |
| 49 | %z = alloca i32 |
| 50 | store i32 0, i32* %z |
| 51 | %tmp = load i32* %z |
| 52 | %sub = sub i32 %tmp, 1 |
| 53 | %cmp = icmp sge i32 %sub, 0 |
| 54 | %retval = select i1 %cmp, i32 0, i32 1 |
| 55 | ret i32 %retval |
| 56 | } |
| 57 | |
| 58 | define i32 @test6() { |
| 59 | entry: |
| 60 | %z = alloca i32 |
| 61 | store i32 0, i32* %z |
| 62 | %tmp = load i32* %z |
| 63 | %sub = sub i32 %tmp, 1 |
| 64 | %cmp = icmp sgt i32 %sub, 0 |
| 65 | %retval = select i1 %cmp, i32 0, i32 1 |
| 66 | ret i32 %retval |
| 67 | } |
| 68 | |
| 69 | define i32 @test7() { |
| 70 | entry: |
| 71 | %z = alloca i32 |
| 72 | store i32 0, i32* %z |
| 73 | %tmp = load i32* %z |
| 74 | %sub = sub i32 %tmp, 1 |
| 75 | %cmp = icmp eq i32 %sub, 0 |
| 76 | %retval = select i1 %cmp, i32 0, i32 1 |
| 77 | ret i32 %retval |
| 78 | } |
| 79 | |
| 80 | define i32 @test8() { |
| 81 | entry: |
| 82 | %z = alloca i32 |
| 83 | store i32 0, i32* %z |
| 84 | %tmp = load i32* %z |
| 85 | %sub = sub i32 %tmp, 1 |
| 86 | %cmp = icmp ne i32 %sub, 0 |
| 87 | %retval = select i1 %cmp, i32 1, i32 0 |
| 88 | ret i32 %retval |
| Chris Lattner | 3ae2dd2 | 2010-04-07 22:53:17 +0000 | [diff] [blame] | 89 | } |