forked from OSchip/llvm-project
124 lines
4.8 KiB
LLVM
124 lines
4.8 KiB
LLVM
; RUN: opt %loadPolly -polly-scops -analyze -S < %s | FileCheck %s
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;
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; struct com {
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; double Real;
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; double Img;
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; };
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;
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; void foo(long n, struct com A[][n]) {
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; for (long i = 0; i < 100; i++)
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; for (long j = 0; j < 1000; j++)
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; A[i][j].Real += A[i][j].Img;
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; }
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;
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; int main() {
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; struct com A[100][1000];
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; foo(1000, A);
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; }
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; CHECK: Arrays {
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; CHECK-NEXT: double MemRef_A[*][(2 * %n)]; // Element size 8
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; CHECK-NEXT: }
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; CHECK: Stmt_for_body3
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; CHECK-NEXT: Domain :=
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; CHECK-NEXT: [n] -> { Stmt_for_body3[i0, i1] : 0 <= i0 <= 99 and 0 <= i1 <= 999 };
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; CHECK-NEXT: Schedule :=
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; CHECK-NEXT: [n] -> { Stmt_for_body3[i0, i1] -> [i0, i1] };
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; CHECK-NEXT: ReadAccess := [Reduction Type: NONE] [Scalar: 0]
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; CHECK-NEXT: [n] -> { Stmt_for_body3[i0, i1] -> MemRef_A[i0, 1 + 2i1] };
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; CHECK-NEXT: ReadAccess := [Reduction Type: NONE] [Scalar: 0]
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; CHECK-NEXT: [n] -> { Stmt_for_body3[i0, i1] -> MemRef_A[i0, 2i1] };
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; CHECK-NEXT: MustWriteAccess := [Reduction Type: NONE] [Scalar: 0]
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; CHECK-NEXT: [n] -> { Stmt_for_body3[i0, i1] -> MemRef_A[i0, 2i1] };
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source_filename = "/tmp/test.c"
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target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
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%struct.com = type { double, double }
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%struct.com2 = type { [20000000000 x double] }
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define void @foo(i64 %n, %struct.com* %A) {
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entry:
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br label %for.cond
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for.cond: ; preds = %for.inc7, %entry
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%i.0 = phi i64 [ 0, %entry ], [ %inc8, %for.inc7 ]
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%exitcond1 = icmp ne i64 %i.0, 100
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br i1 %exitcond1, label %for.body, label %for.end9
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for.body: ; preds = %for.cond
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br label %for.cond1
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for.cond1: ; preds = %for.inc, %for.body
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%j.0 = phi i64 [ 0, %for.body ], [ %inc, %for.inc ]
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%exitcond = icmp ne i64 %j.0, 1000
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br i1 %exitcond, label %for.body3, label %for.end
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for.body3: ; preds = %for.cond1
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%tmp = mul nsw i64 %i.0, %n
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%arrayidx = getelementptr inbounds %struct.com, %struct.com* %A, i64 %tmp
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%arrayidx4 = getelementptr inbounds %struct.com, %struct.com* %arrayidx, i64 %j.0
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%Img = getelementptr inbounds %struct.com, %struct.com* %arrayidx4, i64 0, i32 1
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%tmp2 = load double, double* %Img, align 8
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%tmp3 = mul nsw i64 %i.0, %n
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%arrayidx5 = getelementptr inbounds %struct.com, %struct.com* %A, i64 %tmp3
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%arrayidx6 = getelementptr inbounds %struct.com, %struct.com* %arrayidx5, i64 %j.0
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%Real = getelementptr inbounds %struct.com, %struct.com* %arrayidx6, i64 0, i32 0
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%tmp4 = load double, double* %Real, align 8
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%add = fadd double %tmp4, %tmp2
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store double %add, double* %Real, align 8
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br label %for.inc
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for.inc: ; preds = %for.body3
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%inc = add nuw nsw i64 %j.0, 1
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br label %for.cond1
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for.end: ; preds = %for.cond1
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br label %for.inc7
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for.inc7: ; preds = %for.end
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%inc8 = add nuw nsw i64 %i.0, 1
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br label %for.cond
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for.end9: ; preds = %for.cond
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ret void
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}
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; CHECK: Arrays {
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; CHECK-NEXT: double MemRef_O[*][%n]; // Element size 8
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; CHECK-NEXT: }
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define void @foo_overflow(i64 %n, %struct.com2* nocapture %O) local_unnamed_addr #0 {
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entry:
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br label %for.body
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for.cond.cleanup: ; preds = %for.cond.cleanup3
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ret void
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for.body: ; preds = %for.cond.cleanup3, %entry
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%i.024 = phi i64 [ 0, %entry ], [ %inc12, %for.cond.cleanup3 ]
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%0 = mul nsw i64 %i.024, %n
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%arrayidx = getelementptr inbounds %struct.com2, %struct.com2* %O, i64 %0
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br label %for.body4
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for.cond.cleanup3: ; preds = %for.body4
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%inc12 = add nuw nsw i64 %i.024, 1
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%exitcond25 = icmp eq i64 %inc12, 100
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br i1 %exitcond25, label %for.cond.cleanup, label %for.body
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for.body4: ; preds = %for.body4, %for.body
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%j.023 = phi i64 [ 0, %for.body ], [ %inc, %for.body4 ]
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%arrayidx5 = getelementptr inbounds %struct.com2, %struct.com2* %arrayidx, i64 %j.023
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%Real = getelementptr inbounds %struct.com2, %struct.com2* %arrayidx5, i64 0, i32 0
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%arrayidx6 = getelementptr inbounds [20000000000 x double], [20000000000 x double]* %Real, i64 0, i64 1
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%1 = load double, double* %arrayidx6, align 8
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%arrayidx10 = getelementptr inbounds [20000000000 x double], [20000000000 x double]* %Real, i64 0, i64 0
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%2 = load double, double* %arrayidx10, align 8
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%add = fadd double %1, %2
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store double %add, double* %arrayidx10, align 8
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%inc = add nuw nsw i64 %j.023, 1
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%exitcond = icmp eq i64 %inc, 1000
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br i1 %exitcond, label %for.cond.cleanup3, label %for.body4
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}
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