d1e33e7061
Scops that only read seem generally uninteresting and scops that only write are most likely initializations where there is also little to optimize. To not waste compile time we bail early. Differential Revision: http://reviews.llvm.org/D7735 llvm-svn: 229820
20 lines
803 B
LLVM
20 lines
803 B
LLVM
; RUN: opt %loadPolly -polly-detect-unprofitable -polly-codegen-isl < %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-unknown-linux-gnu"
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define void @init_array() nounwind {
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entry:
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br label %for.cond
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for.cond: ; preds = %for.cond1, %entry
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%indvar1 = phi i64 [ %indvar.next2, %for.cond1 ], [ 0, %entry ] ; <i64> [#uses=1]
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br i1 false, label %for.cond1, label %for.end32
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for.cond1: ; preds = %for.cond
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%indvar.next2 = add i64 %indvar1, 1 ; <i64> [#uses=1]
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br label %for.cond
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for.end32: ; preds = %for.cond
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ret void
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}
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