| ; RUN: llc -mtriple=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) | |
| %cmp = icmp eq ptr @f0, null | |
| br i1 %cmp, 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 } |