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b41d2978a0
The LoopPassManager needs to calculate the loops analysis in order to iterate over the loops at all. Requiring it is redundant and just adds noise to the RUN lines here. llvm-svn: 269097
64 lines
2.0 KiB
LLVM
64 lines
2.0 KiB
LLVM
; RUN: opt -S -loop-rotate < %s | FileCheck %s
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; RUN: opt -S -passes='require<targetir>,require<assumptions>,loop(rotate)' < %s | FileCheck %s
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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"
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target triple = "x86_64-apple-darwin10.0.0"
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; PR5319 - The "arrayidx" gep should be hoisted, not duplicated. We should
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; end up with one phi node.
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define void @test1() nounwind ssp {
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; CHECK-LABEL: @test1(
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entry:
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%array = alloca [20 x i32], align 16
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br label %for.cond
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for.cond: ; preds = %for.body, %entry
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%i.0 = phi i32 [ 0, %entry ], [ %inc, %for.body ]
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%cmp = icmp slt i32 %i.0, 100
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%arrayidx = getelementptr inbounds [20 x i32], [20 x i32]* %array, i64 0, i64 0
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br i1 %cmp, label %for.body, label %for.end
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; CHECK: for.body:
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; CHECK-NEXT: phi i32 [ 0
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; CHECK-NEXT: store i32 0
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for.body: ; preds = %for.cond
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store i32 0, i32* %arrayidx, align 16
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%inc = add nsw i32 %i.0, 1
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br label %for.cond
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for.end: ; preds = %for.cond
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%arrayidx.lcssa = phi i32* [ %arrayidx, %for.cond ]
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call void @g(i32* %arrayidx.lcssa) nounwind
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ret void
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}
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declare void @g(i32*)
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; CHECK-LABEL: @test2(
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define void @test2() nounwind ssp {
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entry:
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%array = alloca [20 x i32], align 16
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br label %for.cond
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for.cond: ; preds = %for.body, %entry
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%i.0 = phi i32 [ 0, %entry ], [ %inc, %for.body ]
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%cmp = icmp slt i32 %i.0, 100
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; CHECK: call void @f
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; CHECK-NOT: call void @f
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call void @f() noduplicate
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br i1 %cmp, label %for.body, label %for.end
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for.body: ; preds = %for.cond
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%inc = add nsw i32 %i.0, 1
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call void @h()
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br label %for.cond
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for.end: ; preds = %for.cond
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ret void
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; CHECK: }
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}
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declare void @f() noduplicate
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declare void @h()
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