| ; RUN: llc -march=hexagon < %s |
| ; REQUIRES: asserts |
| |
| ; Check that the verifier doesn't fail due to incorrect |
| ; ordering of registers caused by PHI elimination. |
| |
| ; Function Attrs: readnone |
| define i32 @f0(i32 %a0, i32 %a1, i32 %a2) #0 { |
| b0: |
| br label %b1 |
| |
| b1: ; preds = %b1, %b0 |
| %v0 = phi i32 [ %a1, %b0 ], [ %v2, %b1 ] |
| %v1 = phi i32 [ 0, %b0 ], [ %v4, %b1 ] |
| %v2 = phi i32 [ %a0, %b0 ], [ %v0, %b1 ] |
| %v3 = icmp slt i32 %v1, %a2 |
| %v4 = add nsw i32 %v1, 1 |
| br i1 %v3, label %b1, label %b2 |
| |
| b2: ; preds = %b1 |
| %v5 = add nsw i32 %v2, %v0 |
| ret i32 %v5 |
| } |
| |
| attributes #0 = { readnone } |
