36 lines · plain
1; RUN: opt -hexagon-loop-idiom < %s -mtriple=hexagon-unknown-unknown -S \2; RUN: | FileCheck %s3; RUN: opt -p hexagon-loop-idiom < %s -mtriple=hexagon-unknown-unknown -S \4; RUN: | FileCheck %s5 6target triple = "hexagon"7 8; CHECK: define i64 @basic_pmpy9; CHECK: llvm.hexagon.M4.pmpyw10define i64 @basic_pmpy(i32 %P, i32 %Q) #0 {11entry:12 %conv = zext i32 %Q to i6413 br label %for.body14 15for.body: ; preds = %entry, %for.body16 %i.07 = phi i32 [ 0, %entry ], [ %inc, %for.body ]17 %R.06 = phi i64 [ 0, %entry ], [ %xor.R.06, %for.body ]18 %shl = shl i32 1, %i.0719 %and = and i32 %shl, %P20 %tobool = icmp eq i32 %and, 021 %sh_prom = zext i32 %i.07 to i6422 %shl1 = shl i64 %conv, %sh_prom23 %xor = xor i64 %shl1, %R.0624 %xor.R.06 = select i1 %tobool, i64 %R.06, i64 %xor25 %inc = add nuw nsw i32 %i.07, 126 %exitcond = icmp ne i32 %inc, 3227 br i1 %exitcond, label %for.body, label %for.end28 29for.end: ; preds = %for.body30 %R.1.lcssa = phi i64 [ %xor.R.06, %for.body ]31 ret i64 %R.1.lcssa32}33 34attributes #0 = { nounwind }35 36