1; RUN: llc -mtriple=hexagon < %s | FileCheck %s 2 3; Test that we generate 64-bit mutiply accumulate/subtract. 4 5; CHECK-LABEL: f0: 6; CHECK: r{{[0-9]+}}:{{[0-9]+}} += mpyu 7define i64 @f0(i64 %a0, i32 %a1, i32 %a2) #0 { 8b0: 9 %v0 = zext i32 %a1 to i64 10 %v1 = zext i32 %a2 to i64 11 %v2 = mul nsw i64 %v1, %v0 12 %v3 = add nsw i64 %v2, %a0 13 ret i64 %v3 14} 15 16; CHECK-LABEL: f1: 17; CHECK: r{{[0-9]+}}:{{[0-9]+}} -= mpyu 18define i64 @f1(i64 %a0, i32 %a1, i32 %a2) #0 { 19b0: 20 %v0 = zext i32 %a1 to i64 21 %v1 = zext i32 %a2 to i64 22 %v2 = mul nsw i64 %v1, %v0 23 %v3 = sub nsw i64 %a0, %v2 24 ret i64 %v3 25} 26 27attributes #0 = { nounwind readnone } 28