1 ; RUN: llc -march=hexagon < %s | FileCheck %s 2 3 ; Do not want to see register copies in the loop. 4 ; CHECK-NOT: r{{[0-9]*}} = r{{[0-9]*}} 5 6 target triple = "hexagon" 7 8 ; Function Attrs: nounwind readnone 9 define i32 @f0(i32 %a0) #0 { 10 b0: 11 br label %b1 12 13 b1: ; preds = %b1, %b0 14 %v0 = phi i32 [ 0, %b0 ], [ %v1, %b1 ] 15 %v1 = add nsw i32 %v0, 3 16 %v2 = add i32 %v1, -3 17 %v3 = icmp slt i32 %v2, %a0 18 br i1 %v3, label %b1, label %b2 19 20 b2: ; preds = %b1 21 %v4 = phi i32 [ %v1, %b1 ] 22 %v5 = icmp slt i32 %v4, 100 23 %v6 = zext i1 %v5 to i32 24 ret i32 %v6 25 } 26 27 attributes #0 = { nounwind readnone } 28
