28 lines · plain
1; RUN: llc -mtriple=hexagon < %s | FileCheck %s2 3; Test that we generate 64-bit mutiply accumulate/subtract.4 5; CHECK-LABEL: f0:6; CHECK: r{{[0-9]+}}:{{[0-9]+}} += mpyu7define i64 @f0(i64 %a0, i32 %a1, i32 %a2) #0 {8b0:9 %v0 = zext i32 %a1 to i6410 %v1 = zext i32 %a2 to i6411 %v2 = mul nsw i64 %v1, %v012 %v3 = add nsw i64 %v2, %a013 ret i64 %v314}15 16; CHECK-LABEL: f1:17; CHECK: r{{[0-9]+}}:{{[0-9]+}} -= mpyu18define i64 @f1(i64 %a0, i32 %a1, i32 %a2) #0 {19b0:20 %v0 = zext i32 %a1 to i6421 %v1 = zext i32 %a2 to i6422 %v2 = mul nsw i64 %v1, %v023 %v3 = sub nsw i64 %a0, %v224 ret i64 %v325}26 27attributes #0 = { nounwind readnone }28