41 lines · plain
1; RUN: llc -mtriple=hexagon -hexagon-hwloop-preheader < %s | FileCheck %s2 3; check for lack of assertion failures.4 5; CHECK: %bb.06 7; Function Attrs: nounwind readnone8declare i32 @llvm.hexagon.A2.sath(i32) #09 10; Function Attrs: nounwind readnone11declare i32 @llvm.hexagon.A2.neg(i32) #012 13define void @f0(i16 signext %a0) {14b0:15 %v0 = icmp slt i16 %a0, 116 br i1 %v0, label %b1, label %b317 18b1: ; preds = %b2, %b019 %v1 = phi i16 [ %v11, %b2 ], [ %a0, %b0 ]20 %v2 = sext i16 %v1 to i3221 %v3 = tail call i32 @llvm.hexagon.A2.neg(i32 %v2)22 %v4 = tail call i32 @llvm.hexagon.A2.sath(i32 %v3)23 %v5 = trunc i32 %v4 to i1624 %v6 = shl i32 %v4, 1625 %v7 = ashr exact i32 %v6, 1626 %v8 = icmp slt i16 %v5, 027 br i1 %v8, label %b2, label %b328 29b2: ; preds = %b130 %v9 = tail call i32 @llvm.hexagon.A2.neg(i32 %v7)31 %v10 = tail call i32 @llvm.hexagon.A2.sath(i32 %v9)32 %v11 = trunc i32 %v10 to i1633 %v12 = icmp slt i16 %v11, 134 br i1 %v12, label %b1, label %b335 36b3: ; preds = %b2, %b1, %b037 ret void38}39 40attributes #0 = { nounwind readnone }41