| ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py |
| ; RUN: llc -mtriple=thumbv8.1m.main-none-none-eabi -mattr=+mve -verify-machineinstrs -o - %s | FileCheck %s |
| |
| define i32 @test(i16* nocapture readonly %x, i16* nocapture readonly %y, i32 %n) { |
| ; CHECK-LABEL: test: |
| ; CHECK: @ %bb.0: @ %entry |
| ; CHECK-NEXT: .save {r7, lr} |
| ; CHECK-NEXT: push {r7, lr} |
| ; CHECK-NEXT: cmp r2, #1 |
| ; CHECK-NEXT: blt .LBB0_4 |
| ; CHECK-NEXT: @ %bb.1: @ %for.body.preheader |
| ; CHECK-NEXT: mov lr, r0 |
| ; CHECK-NEXT: movs r0, #0 |
| ; CHECK-NEXT: .LBB0_2: @ %for.body |
| ; CHECK-NEXT: @ =>This Inner Loop Header: Depth=1 |
| ; CHECK-NEXT: ldrh r3, [r1], #2 |
| ; CHECK-NEXT: subs r2, #1 |
| ; CHECK-NEXT: ldrh r12, [lr], #2 |
| ; CHECK-NEXT: @APP |
| ; CHECK-NEXT: add r3, r12 |
| ; CHECK-NEXT: @NO_APP |
| ; CHECK-NEXT: add r0, r3 |
| ; CHECK-NEXT: bne .LBB0_2 |
| ; CHECK-NEXT: @ %bb.3: @ %for.cond.cleanup |
| ; CHECK-NEXT: pop {r7, pc} |
| ; CHECK-NEXT: .LBB0_4: |
| ; CHECK-NEXT: movs r0, #0 |
| ; CHECK-NEXT: pop {r7, pc} |
| entry: |
| %cmp9 = icmp sgt i32 %n, 0 |
| br i1 %cmp9, label %for.body, label %for.cond.cleanup |
| |
| for.cond.cleanup: ; preds = %for.body, %entry |
| %s.0.lcssa = phi i32 [ 0, %entry ], [ %add, %for.body ] |
| ret i32 %s.0.lcssa |
| |
| for.body: ; preds = %entry, %for.body |
| %s.011 = phi i32 [ %add, %for.body ], [ 0, %entry ] |
| %i.010 = phi i32 [ %inc, %for.body ], [ 0, %entry ] |
| %arrayidx = getelementptr inbounds i16, i16* %x, i32 %i.010 |
| %0 = load i16, i16* %arrayidx, align 2 |
| %arrayidx1 = getelementptr inbounds i16, i16* %y, i32 %i.010 |
| %1 = load i16, i16* %arrayidx1, align 2 |
| %2 = tail call i32 asm "add $0, $1, $2", "=r,r,r"(i16 %0, i16 %1) #1 |
| %add = add nsw i32 %2, %s.011 |
| %inc = add nuw nsw i32 %i.010, 1 |
| %exitcond.not = icmp eq i32 %inc, %n |
| br i1 %exitcond.not, label %for.cond.cleanup, label %for.body |
| } |
| |
| define i32 @testlr(i16* nocapture readonly %x, i16* nocapture readonly %y, i32 %n) { |
| ; CHECK-LABEL: testlr: |
| ; CHECK: @ %bb.0: @ %entry |
| ; CHECK-NEXT: .save {r4, lr} |
| ; CHECK-NEXT: push {r4, lr} |
| ; CHECK-NEXT: cmp r2, #1 |
| ; CHECK-NEXT: blt .LBB1_4 |
| ; CHECK-NEXT: @ %bb.1: @ %for.body.preheader |
| ; CHECK-NEXT: mov r3, r0 |
| ; CHECK-NEXT: movs r0, #0 |
| ; CHECK-NEXT: .LBB1_2: @ %for.body |
| ; CHECK-NEXT: @ =>This Inner Loop Header: Depth=1 |
| ; CHECK-NEXT: ldrh r4, [r1], #2 |
| ; CHECK-NEXT: subs r2, #1 |
| ; CHECK-NEXT: ldrh r12, [r3], #2 |
| ; CHECK-NEXT: @APP |
| ; CHECK-NEXT: add r4, r12 |
| ; CHECK-NEXT: @NO_APP |
| ; CHECK-NEXT: add r0, r4 |
| ; CHECK-NEXT: bne .LBB1_2 |
| ; CHECK-NEXT: @ %bb.3: @ %for.cond.cleanup |
| ; CHECK-NEXT: pop {r4, pc} |
| ; CHECK-NEXT: .LBB1_4: |
| ; CHECK-NEXT: movs r0, #0 |
| ; CHECK-NEXT: pop {r4, pc} |
| entry: |
| %cmp9 = icmp sgt i32 %n, 0 |
| br i1 %cmp9, label %for.body, label %for.cond.cleanup |
| |
| for.cond.cleanup: ; preds = %for.body, %entry |
| %s.0.lcssa = phi i32 [ 0, %entry ], [ %add, %for.body ] |
| ret i32 %s.0.lcssa |
| |
| for.body: ; preds = %entry, %for.body |
| %s.011 = phi i32 [ %add, %for.body ], [ 0, %entry ] |
| %i.010 = phi i32 [ %inc, %for.body ], [ 0, %entry ] |
| %arrayidx = getelementptr inbounds i16, i16* %x, i32 %i.010 |
| %0 = load i16, i16* %arrayidx, align 2 |
| %arrayidx1 = getelementptr inbounds i16, i16* %y, i32 %i.010 |
| %1 = load i16, i16* %arrayidx1, align 2 |
| %2 = tail call i32 asm "add $0, $1, $2", "=r,r,r,~{lr}"(i16 %0, i16 %1) #1 |
| %add = add nsw i32 %2, %s.011 |
| %inc = add nuw nsw i32 %i.010, 1 |
| %exitcond.not = icmp eq i32 %inc, %n |
| br i1 %exitcond.not, label %for.cond.cleanup, label %for.body |
| } |