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1; RUN: llc < %s -verify-machineinstrs -mtriple=i386-apple-darwin -mcpu=corei7 | FileCheck %s2; rdar://55710343 4; This requires physreg joining, %13 is live everywhere:5; 304L %cl = COPY %13:sub_8bit; GR32_ABCD:%136; 320L %15 = COPY %19; GR32:%15 GR32_NOSP:%197; 336L %15 = SAR32rCL %15, implicit dead %eflags, implicit killed %cl; GR32:%158 9define void @foo(ptr nocapture %quadrant, ptr nocapture %ptr, i32 %bbSize, i32 %bbStart, i32 %shifts) nounwind ssp {10; CHECK-LABEL: foo:11entry:12 %j.03 = add i32 %bbSize, -1 ; <i32> [#uses=2]13 %0 = icmp sgt i32 %j.03, -1 ; <i1> [#uses=1]14 br i1 %0, label %bb.nph, label %return15 16bb.nph: ; preds = %entry17 %tmp9 = add i32 %bbStart, %bbSize ; <i32> [#uses=1]18 %tmp10 = add i32 %tmp9, -1 ; <i32> [#uses=1]19 br label %bb20 21bb: ; preds = %bb, %bb.nph22; CHECK: %bb23; CHECK-NOT: movb {{.*}}l, %cl24; CHECK: sarl %cl25 %indvar = phi i32 [ 0, %bb.nph ], [ %indvar.next, %bb ] ; <i32> [#uses=3]26 %j.06 = sub i32 %j.03, %indvar ; <i32> [#uses=1]27 %tmp11 = sub i32 %tmp10, %indvar ; <i32> [#uses=1]28 %scevgep = getelementptr i32, ptr %ptr, i32 %tmp11 ; <ptr> [#uses=1]29 %1 = load i32, ptr %scevgep, align 4 ; <i32> [#uses=1]30 %2 = ashr i32 %j.06, %shifts ; <i32> [#uses=1]31 %3 = and i32 %2, 65535 ; <i32> [#uses=1]32 %4 = getelementptr inbounds i32, ptr %quadrant, i32 %1 ; <ptr> [#uses=1]33 store i32 %3, ptr %4, align 434 %indvar.next = add i32 %indvar, 1 ; <i32> [#uses=2]35 %exitcond = icmp eq i32 %indvar.next, %bbSize ; <i1> [#uses=1]36 br i1 %exitcond, label %return, label %bb37 38return: ; preds = %bb, %entry39 ret void40}41