Krzysztof Parzyszek | 918e6d7 | 2017-06-26 14:17:58 +0000 | [diff] [blame] | 1 | ; RUN: llc -march=hexagon < %s | FileCheck %s |
| 2 | ; |
| 3 | ; This used to crash. |
| 4 | ; CHECK: call f1 |
| 5 | |
| 6 | target triple = "hexagon-unknown--elf" |
| 7 | |
| 8 | %struct.0 = type { [5 x i32] } |
| 9 | %struct.2 = type { i32, i32, i32, %struct.1* } |
| 10 | %struct.1 = type { i16*, i32, i32, i32 } |
| 11 | |
| 12 | @g0 = external hidden unnamed_addr constant [52 x i8], align 1 |
| 13 | @g1 = external hidden unnamed_addr constant [3 x i8], align 1 |
| 14 | |
| 15 | declare extern_weak void @f0(i32, i8*, i32, i8*, ...) #0 |
| 16 | declare void @f1(%struct.0*, i32) #0 |
| 17 | |
| 18 | define void @fred(i8* %a0) #0 { |
| 19 | b1: |
| 20 | %v2 = alloca %struct.0, align 4 |
| 21 | %v3 = alloca %struct.2, i32 undef, align 8 |
| 22 | br i1 undef, label %b5, label %b4 |
| 23 | |
| 24 | b4: ; preds = %b1 |
| 25 | br label %b7 |
| 26 | |
| 27 | b5: ; preds = %b5, %b1 |
| 28 | %v6 = getelementptr inbounds %struct.2, %struct.2* %v3, i32 undef, i32 3 |
| 29 | store %struct.1* undef, %struct.1** %v6, align 4 |
| 30 | br label %b5 |
| 31 | |
| 32 | b7: ; preds = %b10, %b4 |
| 33 | %v8 = call i32 @llvm.hexagon.V6.extractw(<16 x i32> zeroinitializer, i32 0) |
| 34 | br i1 icmp eq (void (i32, i8*, i32, i8*, ...)* @f0, void (i32, i8*, i32, i8*, ...)* null), label %b11, label %b9 |
| 35 | |
| 36 | b9: ; preds = %b7 |
| 37 | call void (i32, i8*, i32, i8*, ...) @f0(i32 2, i8* getelementptr inbounds ([52 x i8], [52 x i8]* @g0, i32 0, i32 0), i32 2346, i8* getelementptr inbounds ([3 x i8], [3 x i8]* @g1, i32 0, i32 0), i32 %v8) |
| 38 | unreachable |
| 39 | |
| 40 | b10: ; preds = %b11 |
| 41 | call void @f1(%struct.0* nonnull %v2, i32 28) |
| 42 | br label %b7 |
| 43 | |
| 44 | b11: ; preds = %b11, %b7 |
| 45 | br i1 undef, label %b10, label %b11 |
| 46 | } |
| 47 | |
| 48 | declare i32 @llvm.hexagon.V6.extractw(<16 x i32>, i32) #1 |
| 49 | |
Sumanth Gundapaneni | e1983bc | 2017-10-18 18:07:07 +0000 | [diff] [blame] | 50 | attributes #0 = { nounwind "target-cpu"="hexagonv60" "target-features"="+hvxv60,+hvx-length64b" } |
Krzysztof Parzyszek | 918e6d7 | 2017-06-26 14:17:58 +0000 | [diff] [blame] | 51 | attributes #1 = { nounwind readnone } |