| ; RUN: llc -march=hexagon < %s | FileCheck %s |
| |
| ; Do not want to see register copies in the loop. |
| ; CHECK-NOT: r{{[0-9]*}} = r{{[0-9]*}} |
| |
| target triple = "hexagon" |
| |
| ; Function Attrs: nounwind readnone |
| define i32 @f0(i32 %a0) #0 { |
| b0: |
| br label %b1 |
| |
| b1: ; preds = %b1, %b0 |
| %v0 = phi i32 [ 0, %b0 ], [ %v1, %b1 ] |
| %v1 = add nsw i32 %v0, 3 |
| %v2 = add i32 %v1, -3 |
| %v3 = icmp slt i32 %v2, %a0 |
| br i1 %v3, label %b1, label %b2 |
| |
| b2: ; preds = %b1 |
| %v4 = phi i32 [ %v1, %b1 ] |
| %v5 = icmp slt i32 %v4, 100 |
| %v6 = zext i1 %v5 to i32 |
| ret i32 %v6 |
| } |
| |
| attributes #0 = { nounwind readnone } |
