| ; RUN: opt -S -loop-rotate %s | FileCheck %s | |
| target 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" | |
| target triple = "x86_64-apple-darwin10.0.0" | |
| ; PR5319 - The "arrayidx" gep should be hoisted, not duplicated. We should | |
| ; end up with one phi node. | |
| define void @test1() nounwind ssp { | |
| ; CHECK: @test1 | |
| entry: | |
| %array = alloca [20 x i32], align 16 | |
| br label %for.cond | |
| for.cond: ; preds = %for.body, %entry | |
| %i.0 = phi i32 [ 0, %entry ], [ %inc, %for.body ] | |
| %cmp = icmp slt i32 %i.0, 100 | |
| %arrayidx = getelementptr inbounds [20 x i32]* %array, i64 0, i64 0 | |
| br i1 %cmp, label %for.body, label %for.end | |
| ; CHECK: for.body: | |
| ; CHECK-NEXT: phi i32 [ 0 | |
| ; CHECK-NEXT: store i32 0 | |
| for.body: ; preds = %for.cond | |
| store i32 0, i32* %arrayidx, align 16 | |
| %inc = add nsw i32 %i.0, 1 | |
| br label %for.cond | |
| for.end: ; preds = %for.cond | |
| %arrayidx.lcssa = phi i32* [ %arrayidx, %for.cond ] | |
| call void @g(i32* %arrayidx.lcssa) nounwind | |
| ret void | |
| } | |
| declare void @g(i32*) | |