; 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 } |