64 lines · plain
1; RUN: opt -S -passes=loop-rotate -verify-memoryssa < %s | FileCheck %s2; RUN: opt -S -passes='require<target-ir>,require<assumptions>,loop(loop-rotate)' < %s | FileCheck %s3; RUN: opt -S -passes='require<target-ir>,require<assumptions>,loop-mssa(loop-rotate)' -verify-memoryssa < %s | FileCheck %s4 5target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64"6target triple = "x86_64-apple-darwin10.0.0"7 8; PR5319 - The "arrayidx" gep should be hoisted, not duplicated. We should9; end up with one phi node.10define void @test1() nounwind ssp {11; CHECK-LABEL: @test1(12entry:13 %array = alloca [20 x i32], align 1614 br label %for.cond15 16for.cond: ; preds = %for.body, %entry17 %i.0 = phi i32 [ 0, %entry ], [ %inc, %for.body ]18 %cmp = icmp slt i32 %i.0, 10019 br i1 %cmp, label %for.body, label %for.end20 21; CHECK: for.body:22; CHECK-NEXT: phi i32 [ 023; CHECK-NEXT: store i32 024 25for.body: ; preds = %for.cond26 store i32 0, ptr %array, align 1627 %inc = add nsw i32 %i.0, 128 br label %for.cond29 30for.end: ; preds = %for.cond31 %arrayidx.lcssa = phi ptr [ %array, %for.cond ]32 call void @g(ptr %arrayidx.lcssa) nounwind33 ret void34}35 36declare void @g(ptr)37 38; CHECK-LABEL: @test2(39define void @test2() nounwind ssp {40entry:41 %array = alloca [20 x i32], align 1642 br label %for.cond43 44for.cond: ; preds = %for.body, %entry45 %i.0 = phi i32 [ 0, %entry ], [ %inc, %for.body ]46 %cmp = icmp slt i32 %i.0, 10047; CHECK: call void @f48; CHECK-NOT: call void @f49 call void @f() noduplicate 50 br i1 %cmp, label %for.body, label %for.end51 52for.body: ; preds = %for.cond53 %inc = add nsw i32 %i.0, 154 call void @h()55 br label %for.cond56 57for.end: ; preds = %for.cond58 ret void59; CHECK: }60}61 62declare void @f() noduplicate63declare void @h()64