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1; RUN: llc -mtriple=hexagon < %s | FileCheck %s2;3; This used to crash.4; CHECK: call f15 6target triple = "hexagon-unknown--elf"7 8%struct.0 = type { [5 x i32] }9%struct.2 = type { i32, i32, i32, ptr }10%struct.1 = type { ptr, i32, i32, i32 }11 12@g0 = external hidden unnamed_addr constant [52 x i8], align 113@g1 = external hidden unnamed_addr constant [3 x i8], align 114 15declare extern_weak void @f0(i32, ptr, i32, ptr, ...) #016declare void @f1(ptr, i32) #017 18define void @fred(ptr %a0) #0 {19b1:20 %v2 = alloca %struct.0, align 421 %v3 = alloca %struct.2, i32 undef, align 822 br i1 undef, label %b5, label %b423 24b4: ; preds = %b125 br label %b726 27b5: ; preds = %b5, %b128 %v6 = getelementptr inbounds %struct.2, ptr %v3, i32 undef, i32 329 store ptr undef, ptr %v6, align 430 br label %b531 32b7: ; preds = %b10, %b433 %v8 = call i32 @llvm.hexagon.V6.extractw(<16 x i32> zeroinitializer, i32 0)34 %cmp = icmp eq ptr @f0, null35 br i1 %cmp, label %b11, label %b936 37b9: ; preds = %b738 call void (i32, ptr, i32, ptr, ...) @f0(i32 2, ptr @g0, i32 2346, ptr @g1, i32 %v8)39 unreachable40 41b10: ; preds = %b1142 call void @f1(ptr nonnull %v2, i32 28)43 br label %b744 45b11: ; preds = %b11, %b746 br i1 undef, label %b10, label %b1147}48 49declare i32 @llvm.hexagon.V6.extractw(<16 x i32>, i32) #150 51attributes #0 = { nounwind "target-cpu"="hexagonv60" "target-features"="+hvxv60,+hvx-length64b" }52attributes #1 = { nounwind readnone }53