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62 lines
2.7 KiB
62 lines
2.7 KiB
; RUN: opt %loadPolly -polly-stmt-granularity=bb -polly-scops -analyze < %s | FileCheck %s -match-full-lines
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; Derived from test-suite/MultiSource/Applications/sgefa/blas.c
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;
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; The exit value of %i.0320 in land.rhs is not computable.
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; It is still synthesizable in %if.end13---%for.end170 because
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; %i.0320 is fixed within the SCoP and therefore just another parameter.
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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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define void @snrm2(i32 %n) local_unnamed_addr {
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entry:
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br label %land.rhs
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land.rhs: ; preds = %while.body, %entry
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%i.0320 = phi i32 [ 0, %entry ], [ %inc, %while.body ]
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br i1 undef, label %while.body, label %if.end13
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while.body: ; preds = %land.rhs
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%inc = add nuw nsw i32 %i.0320, 1
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br label %land.rhs
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if.end13: ; preds = %land.rhs
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%i.4284 = add nsw i32 %i.0320, 1
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%cmp131285 = icmp slt i32 %i.4284, %n
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br i1 %cmp131285, label %for.body133.lr.ph, label %for.end170
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for.body133.lr.ph: ; preds = %if.end13
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br label %for.body133
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for.body133: ; preds = %for.body133, %for.body133.lr.ph
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%i.4289 = phi i32 [ %i.4284, %for.body133.lr.ph ], [ %i.4, %for.body133 ]
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%xmax.2287 = phi float [ undef, %for.body133.lr.ph ], [ undef, %for.body133 ]
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%i.4 = add nsw i32 %i.4289, 1
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%exitcond = icmp eq i32 %i.4, %n
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br i1 %exitcond, label %for.end170, label %for.body133
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for.end170: ; preds = %for.body133, %if.end13
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ret void
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}
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; CHECK: Region: %if.end13---%for.end170
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; CHECK: Statements {
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; CHECK-NEXT: Stmt_for_body133_lr_ph
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; CHECK-NEXT: Domain :=
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; CHECK-NEXT: [p_0, n] -> { Stmt_for_body133_lr_ph[] : n >= 2 + p_0 };
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; CHECK-NEXT: Schedule :=
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; CHECK-NEXT: [p_0, n] -> { Stmt_for_body133_lr_ph[] -> [0, 0] };
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; CHECK-NEXT: MustWriteAccess := [Reduction Type: NONE] [Scalar: 1]
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; CHECK-NEXT: [p_0, n] -> { Stmt_for_body133_lr_ph[] -> MemRef_xmax_2287__phi[] };
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; CHECK-NEXT: Stmt_for_body133
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; CHECK-NEXT: Domain :=
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; CHECK-NEXT: [p_0, n] -> { Stmt_for_body133[i0] : 0 <= i0 <= -2 - p_0 + n };
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; CHECK-NEXT: Schedule :=
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; CHECK-NEXT: [p_0, n] -> { Stmt_for_body133[i0] -> [1, i0] };
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; CHECK-NEXT: MustWriteAccess := [Reduction Type: NONE] [Scalar: 1]
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; CHECK-NEXT: [p_0, n] -> { Stmt_for_body133[i0] -> MemRef_xmax_2287__phi[] };
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; CHECK-NEXT: ReadAccess := [Reduction Type: NONE] [Scalar: 1]
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; CHECK-NEXT: [p_0, n] -> { Stmt_for_body133[i0] -> MemRef_xmax_2287__phi[] };
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; CHECK-NEXT: }
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