62 lines
2.4 KiB
LLVM
62 lines
2.4 KiB
LLVM
; RUN: opt %loadPolly -S -polly-codegen \
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; RUN: -polly-invariant-load-hoisting=false < %s | FileCheck %s
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; RUN: opt %loadPolly -S -polly-codegen \
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; RUN: -polly-invariant-load-hoisting=true < %s | FileCheck %s
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;
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; Check that we generate valid code even if the load of cont_STACKPOINTER is
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; hoisted in one SCoP and used (through the phi node %tmp2).
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;
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; CHECK: polly.start
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; CHECK: polly.start
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;
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target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
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%struct1 = type { i32, %union1, ptr, i32, i32 }
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%union1 = type { ptr }
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%struct.2 = type { ptr, ptr }
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@cont_STACKPOINTER = external global i32, align 4
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@cont_STACK = external global [1000 x i32], align 16
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define fastcc void @subs_InternIdcEq() {
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entry:
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br label %if.else.i.i
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if.else.i.i: ; preds = %entry
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%tmp = load ptr, ptr undef, align 8
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br label %while.body.i99.i.i
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while.body.i99.i.i: ; preds = %while.body.i99.i.i, %if.else.i.i
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br i1 false, label %while.body.i99.i.i, label %while.end.i103.i.i
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while.end.i103.i.i: ; preds = %while.body.i99.i.i
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%tmp1 = load i32, ptr @cont_STACKPOINTER, align 4
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%dec.i.i102.i.i = add nsw i32 %tmp1, -1
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br i1 false, label %cont_BackTrack.exit107.i.i, label %if.then.i106.i.i
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if.then.i106.i.i: ; preds = %while.end.i103.i.i
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br label %cont_BackTrack.exit107.i.i
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cont_BackTrack.exit107.i.i: ; preds = %if.then.i106.i.i, %while.end.i103.i.i
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%tmp2 = phi i32 [ %dec.i.i102.i.i, %if.then.i106.i.i ], [ 0, %while.end.i103.i.i ]
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br i1 undef, label %land.lhs.true23.i.i, label %for.inc.i.i
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land.lhs.true23.i.i: ; preds = %cont_BackTrack.exit107.i.i
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%idxprom.i.i57.i.i = sext i32 %tmp2 to i64
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%arrayidx.i.i58.i.i = getelementptr inbounds [1000 x i32], ptr @cont_STACK, i64 0, i64 %idxprom.i.i57.i.i
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store i32 undef, ptr %arrayidx.i.i58.i.i, align 4
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br i1 false, label %if.then.i45.i.i, label %fol_Atom.exit47.i.i
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if.then.i45.i.i: ; preds = %land.lhs.true23.i.i
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br label %fol_Atom.exit47.i.i
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fol_Atom.exit47.i.i: ; preds = %if.then.i45.i.i, %land.lhs.true23.i.i
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unreachable
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for.inc.i.i: ; preds = %cont_BackTrack.exit107.i.i
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br label %for.end.i.i
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for.end.i.i: ; preds = %for.inc.i.i
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ret void
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}
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