xref: /llvm-project/llvm/test/CodeGen/Hexagon/hwloop-with-return-call.ll (revision 2208c97c1bec2512d4e47b6223db6d95a7037956)
1; This test was return to make sure a hardware loop is not generated if a
2; returning call is present in the basic block.
3; RUN: llc -O2 -mtriple=hexagon < %s | FileCheck %s
4; CHECK-NOT: loop
5; CHECK-NOT: endloop
6
7; Function Attrs: nounwind
8define void @f0() local_unnamed_addr #0 {
9b0:
10  br label %b1
11
12b1:                                               ; preds = %b1, %b0
13  %v0 = phi i32 [ %v4, %b1 ], [ 2, %b0 ]
14  %v1 = phi double [ %v3, %b1 ], [ 1.000000e+00, %b0 ]
15  %v2 = sitofp i32 %v0 to double
16  %v3 = fmul double %v2, %v1
17  %v4 = add nuw nsw i32 %v0, 1
18  %v5 = icmp eq i32 %v0, undef
19  br i1 %v5, label %b2, label %b1
20
21b2:                                               ; preds = %b1
22  %v6 = fdiv double undef, %v3
23  ret void
24}
25
26attributes #0 = { nounwind "target-cpu"="hexagonv65" "target-features"="-hvx,-long-calls" }
27