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 50 attributes #0 = { nounwind "target-cpu"="hexagonv60" "target-features"="+hvxv60,+hvx-length64b" } 51 attributes #1 = { nounwind readnone } 52
