af4e809ca6
This removes old code that has been disabled since several weeks and was hidden behind the flags -disable-polly-intra-scop-scalar-to-array=false and -polly-model-phi-nodes=false. Earlier, Polly used to translate scalars and PHI nodes to single element arrays, as this avoided the need for their special handling in Polly. With Johannes' patches adding native support for such scalar references to Polly, this code is not needed any more. After this commit both -polly-prepare and -polly-independent are now mostly no-ops. Only a couple of simple transformations still remain, but they are scheduled for removal too. Thanks again to Johannes Doerfert for his nice work in making all this code obsolete. llvm-svn: 240766
69 lines
2.3 KiB
LLVM
69 lines
2.3 KiB
LLVM
; RUN: opt %loadPolly -polly-detect-unprofitable -polly-ast -analyze -S < %s | FileCheck %s -check-prefix=SCALAR
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;#define N 20
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;
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;int main () {
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; int i;
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; int A[N];
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;
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; A[0] = 0;
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;
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; __sync_synchronize();
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;
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; for (i = 0; i < 0; i++)
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; A[i] = 1;
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;
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; __sync_synchronize();
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;
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; if (A[0] == 0)
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; return 0;
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; else
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; return 1;
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;}
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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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define i32 @main() nounwind {
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entry:
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%A = alloca [20 x i32], align 4 ; <[20 x i32]*> [#uses=3]
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%arraydecay = getelementptr inbounds [20 x i32], [20 x i32]* %A, i32 0, i32 0 ; <i32*> [#uses=1]
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%arrayidx = getelementptr inbounds i32, i32* %arraydecay, i64 0 ; <i32*> [#uses=1]
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store i32 0, i32* %arrayidx
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fence seq_cst
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br label %for.cond
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for.cond: ; preds = %for.inc, %entry
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%indvar = phi i64 [ %indvar.next, %for.inc ], [ 0, %entry ] ; <i64> [#uses=2]
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%arrayidx3 = getelementptr [20 x i32], [20 x i32]* %A, i64 0, i64 %indvar ; <i32*> [#uses=1]
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br i1 false, label %for.body, label %for.end
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for.body: ; preds = %for.cond
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store i32 1, i32* %arrayidx3
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br label %for.inc
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for.inc: ; preds = %for.body
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%indvar.next = add i64 %indvar, 1 ; <i64> [#uses=1]
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br label %for.cond
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for.end: ; preds = %for.cond
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fence seq_cst
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%arraydecay5 = getelementptr inbounds [20 x i32], [20 x i32]* %A, i32 0, i32 0 ; <i32*> [#uses=1]
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%arrayidx6 = getelementptr inbounds i32, i32* %arraydecay5, i64 0 ; <i32*> [#uses=1]
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%tmp7 = load i32, i32* %arrayidx6 ; <i32> [#uses=1]
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%cmp8 = icmp eq i32 %tmp7, 0 ; <i1> [#uses=1]
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br i1 %cmp8, label %if.then, label %if.else
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if.then: ; preds = %for.end
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br label %return
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if.else: ; preds = %for.end
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br label %return
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return: ; preds = %if.else, %if.then
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%retval.0 = phi i32 [ 0, %if.then ], [ 1, %if.else ] ; <i32> [#uses=1]
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ret i32 %retval.0
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}
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; SCALAR: for region: 'for.cond => for.end' in function 'main':
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; SCALAR-NOT: Stmt_for_body(0);
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