| ; RUN: llc < %s -verify-machineinstrs -mtriple=i386-apple-darwin -mcpu=corei7 | FileCheck %s |
| ; rdar://5571034 |
| |
| ; This requires physreg joining, %13 is live everywhere: |
| ; 304L %cl = COPY %13:sub_8bit; GR32_ABCD:%13 |
| ; 320L %15 = COPY %19; GR32:%15 GR32_NOSP:%19 |
| ; 336L %15 = SAR32rCL %15, implicit dead %eflags, implicit killed %cl; GR32:%15 |
| |
| define void @foo(i32* nocapture %quadrant, i32* nocapture %ptr, i32 %bbSize, i32 %bbStart, i32 %shifts) nounwind ssp { |
| ; CHECK-LABEL: foo: |
| entry: |
| %j.03 = add i32 %bbSize, -1 ; <i32> [#uses=2] |
| %0 = icmp sgt i32 %j.03, -1 ; <i1> [#uses=1] |
| br i1 %0, label %bb.nph, label %return |
| |
| bb.nph: ; preds = %entry |
| %tmp9 = add i32 %bbStart, %bbSize ; <i32> [#uses=1] |
| %tmp10 = add i32 %tmp9, -1 ; <i32> [#uses=1] |
| br label %bb |
| |
| bb: ; preds = %bb, %bb.nph |
| ; CHECK: %bb |
| ; CHECK-NOT: movb {{.*}}l, %cl |
| ; CHECK: sarl %cl |
| %indvar = phi i32 [ 0, %bb.nph ], [ %indvar.next, %bb ] ; <i32> [#uses=3] |
| %j.06 = sub i32 %j.03, %indvar ; <i32> [#uses=1] |
| %tmp11 = sub i32 %tmp10, %indvar ; <i32> [#uses=1] |
| %scevgep = getelementptr i32, i32* %ptr, i32 %tmp11 ; <i32*> [#uses=1] |
| %1 = load i32, i32* %scevgep, align 4 ; <i32> [#uses=1] |
| %2 = ashr i32 %j.06, %shifts ; <i32> [#uses=1] |
| %3 = and i32 %2, 65535 ; <i32> [#uses=1] |
| %4 = getelementptr inbounds i32, i32* %quadrant, i32 %1 ; <i32*> [#uses=1] |
| store i32 %3, i32* %4, align 4 |
| %indvar.next = add i32 %indvar, 1 ; <i32> [#uses=2] |
| %exitcond = icmp eq i32 %indvar.next, %bbSize ; <i1> [#uses=1] |
| br i1 %exitcond, label %return, label %bb |
| |
| return: ; preds = %bb, %entry |
| ret void |
| } |