; RUN: llc -march=hexagon < %s | FileCheck %s ; ; This used to crash. ; CHECK: call f1 target triple = "hexagon-unknown--elf" %struct.0 = type { [5 x i32] } %struct.2 = type { i32, i32, i32, ptr } %struct.1 = type { ptr, i32, i32, i32 } @g0 = external hidden unnamed_addr constant [52 x i8], align 1 @g1 = external hidden unnamed_addr constant [3 x i8], align 1 declare extern_weak void @f0(i32, ptr, i32, ptr, ...) #0 declare void @f1(ptr, i32) #0 define void @fred(ptr %a0) #0 { b1: %v2 = alloca %struct.0, align 4 %v3 = alloca %struct.2, i32 undef, align 8 br i1 undef, label %b5, label %b4 b4: ; preds = %b1 br label %b7 b5: ; preds = %b5, %b1 %v6 = getelementptr inbounds %struct.2, ptr %v3, i32 undef, i32 3 store ptr undef, ptr %v6, align 4 br label %b5 b7: ; preds = %b10, %b4 %v8 = call i32 @llvm.hexagon.V6.extractw(<16 x i32> zeroinitializer, i32 0) br i1 icmp eq (ptr @f0, ptr null), label %b11, label %b9 b9: ; preds = %b7 call void (i32, ptr, i32, ptr, ...) @f0(i32 2, ptr @g0, i32 2346, ptr @g1, i32 %v8) unreachable b10: ; preds = %b11 call void @f1(ptr nonnull %v2, i32 28) br label %b7 b11: ; preds = %b11, %b7 br i1 undef, label %b10, label %b11 } declare i32 @llvm.hexagon.V6.extractw(<16 x i32>, i32) #1 attributes #0 = { nounwind "target-cpu"="hexagonv60" "target-features"="+hvxv60,+hvx-length64b" } attributes #1 = { nounwind readnone }