| Tom Stellard | aa664d9 | 2013-08-06 02:43:45 +0000 | [diff] [blame] | 1 | ; Function Attrs: nounwind |
| 2 | ; RUN: llc < %s -march=r600 -mcpu=redwood | FileCheck %s |
| 3 | ; |
| 4 | ; CFG flattening should use parallel-or to generate branch conditions and |
| 5 | ; then merge if-regions with the same bodies. |
| 6 | ; |
| 7 | ; CHECK: OR_INT |
| 8 | ; CHECK-NEXT: OR_INT |
| 9 | ; CHECK-NEXT: OR_INT |
| 10 | define void @_Z9chk1D_512v() #0 { |
| 11 | entry: |
| 12 | %a0 = alloca i32, align 4 |
| 13 | %b0 = alloca i32, align 4 |
| 14 | %c0 = alloca i32, align 4 |
| 15 | %d0 = alloca i32, align 4 |
| 16 | %a1 = alloca i32, align 4 |
| 17 | %b1 = alloca i32, align 4 |
| 18 | %c1 = alloca i32, align 4 |
| 19 | %d1 = alloca i32, align 4 |
| 20 | %data = alloca i32, align 4 |
| 21 | %0 = load i32* %a0, align 4 |
| 22 | %1 = load i32* %b0, align 4 |
| 23 | %cmp = icmp ne i32 %0, %1 |
| 24 | br i1 %cmp, label %land.lhs.true, label %if.else |
| 25 | |
| 26 | land.lhs.true: ; preds = %entry |
| 27 | %2 = load i32* %c0, align 4 |
| 28 | %3 = load i32* %d0, align 4 |
| 29 | %cmp1 = icmp ne i32 %2, %3 |
| 30 | br i1 %cmp1, label %if.then, label %if.else |
| 31 | |
| 32 | if.then: ; preds = %land.lhs.true |
| 33 | br label %if.end |
| 34 | |
| 35 | if.else: ; preds = %land.lhs.true, %entry |
| 36 | store i32 1, i32* %data, align 4 |
| 37 | br label %if.end |
| 38 | |
| 39 | if.end: ; preds = %if.else, %if.then |
| 40 | %4 = load i32* %a1, align 4 |
| 41 | %5 = load i32* %b1, align 4 |
| 42 | %cmp2 = icmp ne i32 %4, %5 |
| 43 | br i1 %cmp2, label %land.lhs.true3, label %if.else6 |
| 44 | |
| 45 | land.lhs.true3: ; preds = %if.end |
| 46 | %6 = load i32* %c1, align 4 |
| 47 | %7 = load i32* %d1, align 4 |
| 48 | %cmp4 = icmp ne i32 %6, %7 |
| 49 | br i1 %cmp4, label %if.then5, label %if.else6 |
| 50 | |
| 51 | if.then5: ; preds = %land.lhs.true3 |
| 52 | br label %if.end7 |
| 53 | |
| 54 | if.else6: ; preds = %land.lhs.true3, %if.end |
| 55 | store i32 1, i32* %data, align 4 |
| 56 | br label %if.end7 |
| 57 | |
| 58 | if.end7: ; preds = %if.else6, %if.then5 |
| 59 | ret void |
| 60 | } |
| 61 | |