; RUN: llc -march=hexagon -function-sections < %s | FileCheck %s ; CHECK: if (!p0) ; CHECK-NOT: if (p0.new) ; CHECK: { target triple = "hexagon-unknown--elf" %s.0 = type { ptr, ptr } %s.1 = type { i8, [2 x ptr] } %s.2 = type { i32, i32 } @g0 = internal constant %s.0 zeroinitializer, align 4 ; Function Attrs: minsize nounwind define i32 @f0(ptr %a0) #0 { b0: %v0 = tail call i32 @f1(ptr %a0, i32 0) ret i32 %v0 } ; Function Attrs: minsize nounwind define internal i32 @f1(ptr %a0, i32 %a1) #0 { b0: %v0 = icmp eq ptr %a0, null br i1 %v0, label %b4, label %b1 b1: ; preds = %b0 %v1 = icmp eq i32 %a1, 1 br i1 %v1, label %b3, label %b2 b2: ; preds = %b1 tail call void @f2(ptr null) #3 unreachable b3: ; preds = %b1 tail call void @f2(ptr @g0) #3 unreachable b4: ; preds = %b0 %v2 = load ptr, ptr inttoptr (i32 4 to ptr), align 4, !tbaa !0 %v3 = icmp eq ptr %v2, null br i1 %v3, label %b5, label %b6 b5: ; preds = %b4 tail call void @f3(i32 0) #4 br label %b10 b6: ; preds = %b4 %v4 = tail call zeroext i8 @f4(ptr null) #4 %v5 = icmp eq i8 %v4, 0 br i1 %v5, label %b7, label %b8 b7: ; preds = %b6 tail call void @f3(i32 0) #4 br label %b9 b8: ; preds = %b6 %v6 = load ptr, ptr inttoptr (i32 4 to ptr), align 4, !tbaa !0 %v7 = icmp eq i32 %a1, 1 %v8 = getelementptr inbounds %s.2, ptr %v6, i32 0, i32 1 %v10 = select i1 %v7, ptr %v8, ptr %v6 %v11 = tail call i32 @f5(ptr %v10) #4 br label %b9 b9: ; preds = %b8, %b7 %v12 = phi i32 [ 0, %b7 ], [ %v11, %b8 ] tail call void @f3(i32 %v12) #4 br label %b10 b10: ; preds = %b9, %b5 %v13 = phi i32 [ 0, %b5 ], [ %v12, %b9 ] ret i32 %v13 } ; Function Attrs: noreturn optsize declare void @f2(ptr) #1 ; Function Attrs: optsize declare void @f3(i32) #2 ; Function Attrs: optsize declare zeroext i8 @f4(ptr) #2 ; Function Attrs: optsize declare i32 @f5(ptr) #2 ; Function Attrs: minsize nounwind define i32 @f6(ptr %a0) #0 { b0: %v0 = tail call i32 @f1(ptr %a0, i32 1) ret i32 %v0 } attributes #0 = { minsize nounwind } attributes #1 = { noreturn optsize } attributes #2 = { optsize } attributes #3 = { noreturn nounwind optsize } attributes #4 = { nounwind optsize } !0 = !{!1, !1, i64 0} !1 = !{!"any pointer", !2, i64 0} !2 = !{!"omnipotent char", !3, i64 0} !3 = !{!"Simple C/C++ TBAA"}