49 lines · plain
1; RUN: opt -passes='default<O3>' -enable-loopinterchange -disable-output \2; RUN: -disable-verify -verify-analysis-invalidation=0 \3; RUN: -debug-pass-manager=quiet %s 2>&1 | FileCheck %s4 5; Test the position of LoopInterchange in the pass pipeline.6 7; CHECK-NOT: Running pass: LoopInterchangePass8; CHECK: Running pass: ControlHeightReductionPass9; CHECK-NEXT: Running pass: LoopSimplifyPass10; CHECK-NEXT: Running pass: LCSSAPass11; CHECK-NEXT: Running pass: LoopRotatePass12; CHECK-NEXT: Running pass: LoopDeletionPass13; CHECK-NEXT: Running pass: LoopRotatePass14; CHECK-NEXT: Running pass: LoopDeletionPass15; CHECK-NEXT: Running pass: LoopInterchangePass16; CHECK-NEXT: Running pass: LoopDistributePass17; CHECK-NEXT: Running pass: InjectTLIMappings18; CHECK-NEXT: Running pass: LoopVectorizePass19 20 21define void @foo(ptr %a, i32 %n) {22entry:23 br label %for.i.header24 25for.i.header:26 %i = phi i32 [ 0, %entry ], [ %i.next, %for.i.latch ]27 br label %for.j28 29for.j:30 %j = phi i32 [ 0, %for.i.header ], [ %j.next, %for.j ]31 %tmp = mul i32 %i, %n32 %offset = add i32 %tmp, %j33 %idx = getelementptr inbounds i32, ptr %a, i32 %offset34 %load = load i32, ptr %idx, align 435 %inc = add i32 %load, 136 store i32 %inc, ptr %idx, align 437 %j.next = add i32 %j, 138 %j.exit = icmp eq i32 %j.next, %n39 br i1 %j.exit, label %for.i.latch, label %for.j40 41for.i.latch:42 %i.next = add i32 %i, 143 %i.exit = icmp eq i32 %i.next, %n44 br i1 %i.exit, label %for.i.header, label %exit45 46exit:47 ret void48}49