| ; 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 } |