| Krzysztof Parzyszek | 7bb63ac | 2016-10-19 16:30:56 +0000 | [diff] [blame] | 1 | ; RUN: llc -march=hexagon -verify-machineinstrs < %s | FileCheck %s |
| 2 | ; Check that this testcase compiles successfully. |
| 3 | ; CHECK-LABEL: fred: |
| 4 | ; CHECK: call foo |
| 5 | |
| 6 | target triple = "hexagon" |
| 7 | |
| 8 | %struct.0 = type { i32, i16, i8* } |
| 9 | |
| Matt Arsenault | f10061e | 2017-04-10 20:18:21 +0000 | [diff] [blame] | 10 | declare void @llvm.lifetime.start.p0i8(i64, i8* nocapture) #1 |
| 11 | declare void @llvm.lifetime.end.p0i8(i64, i8* nocapture) #1 |
| Krzysztof Parzyszek | 7bb63ac | 2016-10-19 16:30:56 +0000 | [diff] [blame] | 12 | |
| 13 | define i32 @fred(i8* readonly %p0, i32* %p1) local_unnamed_addr #0 { |
| 14 | entry: |
| 15 | %v0 = alloca i16, align 2 |
| 16 | %v1 = icmp eq i8* %p0, null |
| 17 | br i1 %v1, label %if.then, label %lor.lhs.false |
| 18 | |
| 19 | lor.lhs.false: ; preds = %entry |
| 20 | %v2 = bitcast i8* %p0 to %struct.0** |
| 21 | %v3 = load %struct.0*, %struct.0** %v2, align 4 |
| 22 | %v4 = icmp eq %struct.0* %v3, null |
| 23 | br i1 %v4, label %if.then, label %if.else |
| 24 | |
| 25 | if.then: ; preds = %lor.lhs.false, %ent |
| 26 | %v5 = icmp eq i32* %p1, null |
| 27 | br i1 %v5, label %cleanup, label %if.then3 |
| 28 | |
| 29 | if.then3: ; preds = %if.then |
| 30 | store i32 0, i32* %p1, align 4 |
| 31 | br label %cleanup |
| 32 | |
| 33 | if.else: ; preds = %lor.lhs.false |
| 34 | %v6 = bitcast i16* %v0 to i8* |
| Matt Arsenault | f10061e | 2017-04-10 20:18:21 +0000 | [diff] [blame] | 35 | call void @llvm.lifetime.start.p0i8(i64 2, i8* nonnull %v6) #0 |
| Krzysztof Parzyszek | 7bb63ac | 2016-10-19 16:30:56 +0000 | [diff] [blame] | 36 | store i16 0, i16* %v0, align 2 |
| 37 | %v7 = call i32 @foo(%struct.0* nonnull %v3, i16* nonnull %v0) #0 |
| 38 | %v8 = icmp eq i32* %p1, null |
| 39 | br i1 %v8, label %if.end7, label %if.then6 |
| 40 | |
| 41 | if.then6: ; preds = %if.else |
| 42 | %v9 = load i16, i16* %v0, align 2 |
| 43 | %v10 = zext i16 %v9 to i32 |
| 44 | store i32 %v10, i32* %p1, align 4 |
| 45 | br label %if.end7 |
| 46 | |
| 47 | if.end7: ; preds = %if.else, %if.then6 |
| Matt Arsenault | f10061e | 2017-04-10 20:18:21 +0000 | [diff] [blame] | 48 | call void @llvm.lifetime.end.p0i8(i64 2, i8* nonnull %v6) #0 |
| Krzysztof Parzyszek | 7bb63ac | 2016-10-19 16:30:56 +0000 | [diff] [blame] | 49 | br label %cleanup |
| 50 | |
| 51 | cleanup: ; preds = %if.then3, %if.then, |
| 52 | %v11 = phi i32 [ %v7, %if.end7 ], [ -2147024809, %if.then ], [ -2147024809, %if.then3 ] |
| 53 | ret i32 %v11 |
| 54 | } |
| 55 | |
| 56 | declare i32 @foo(%struct.0*, i16*) local_unnamed_addr #0 |
| 57 | |
| 58 | attributes #0 = { nounwind } |
| 59 | attributes #1 = { argmemonly nounwind } |
| 60 | |