1; REQUIRES: x86_64-linux 2; RUN: llc -stop-after=twoaddressinstruction -mtriple=x86_64-- -o - %s | FileCheck %s 3 4 5define dso_local double @twoaddressinstruction(i1 %c) local_unnamed_addr { 6for.end: 7 %0 = load i64, ptr undef, align 8 8 br label %for.body14.preheader 9 10for.body14.preheader: ; preds = %for.end 11 br i1 %c, label %for.cond25.preheader.loopexit.unr-lcssa, label %for.body14.preheader.new 12 13for.body14.preheader.new: ; preds = %for.body14.preheader 14 %unroll_iter136 = and i64 %0, -4 15 br label %for.body14 16 17for.cond25.preheader.loopexit.unr-lcssa: ; preds = %for.body14, %for.body14.preheader 18 %indvars.iv127.unr = phi i64 [ 1, %for.body14.preheader ], [ %indvars.iv.next128.3, %for.body14 ] 19 ret double undef 20 21for.body14: ; preds = %for.body14, %for.body14.preheader.new 22 %indvars.iv127 = phi i64 [ 1, %for.body14.preheader.new ], [ %indvars.iv.next128.3, %for.body14 ] 23 %niter137 = phi i64 [ %unroll_iter136, %for.body14.preheader.new ], [ %niter137.nsub.3, %for.body14 ] 24 %indvars.iv.next128.3 = add nuw nsw i64 %indvars.iv127, 4 25; CHECK: PSEUDO_PROBE -6878943695821059507, 9, 0, 0 26 call void @llvm.pseudoprobe(i64 -6878943695821059507, i64 9, i32 0, i64 -1) 27;; Check an opeq form of instruction is created. 28; CHECK: %[[#REG:]]:gr64_nosp = COPY killed %[[#]] 29; CHECK: %[[#REG]]:gr64_nosp = nuw ADD64ri32 %[[#REG]], 4, implicit-def dead $eflags 30 %niter137.nsub.3 = add i64 %niter137, -4 31 %niter137.ncmp.3 = icmp eq i64 %niter137.nsub.3, 0 32 br i1 %niter137.ncmp.3, label %for.cond25.preheader.loopexit.unr-lcssa, label %for.body14 33} 34 35; Function Attrs: inaccessiblememonly nounwind willreturn 36declare void @llvm.pseudoprobe(i64, i64, i32, i64) #0 37 38attributes #0 = { inaccessiblememonly nounwind willreturn } 39