derek.holloway
7502bf64a4
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86 lines
3.1 KiB
LLVM
86 lines
3.1 KiB
LLVM
; RUN: opt %loadNPMPolly -polly-analyze-read-only-scalars=true '-passes=polly-custom<optree>' -polly-print-optree -disable-output < %s | FileCheck %s -match-full-lines -check-prefixes=STATS,MODEL
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; RUN: opt %loadNPMPolly -polly-analyze-read-only-scalars=false '-passes=polly-custom<optree>' -polly-print-optree -disable-output < %s | FileCheck %s -match-full-lines -check-prefixes=STATS,NOMODEL
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;
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; Move %val to %bodyB, so %bodyA can be removed (by -polly-simplify)
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;
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; for (int j = 0; j < n; j += 1) {
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; bodyA:
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; double val = arg + 21.0;
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;
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; bodyB:
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; A[0] = val;
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; }
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;
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define void @func(i32 %n, ptr noalias nonnull %A, double %arg) {
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entry:
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br label %for
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for:
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%j = phi i32 [0, %entry], [%j.inc, %inc]
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%j.cmp = icmp slt i32 %j, %n
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br i1 %j.cmp, label %bodyA, label %exit
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bodyA:
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%val = fadd double %arg, 21.0
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br label %bodyB
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bodyB:
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store double %val, ptr %A
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br label %inc
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inc:
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%j.inc = add nuw nsw i32 %j, 1
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br label %for
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exit:
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br label %return
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return:
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ret void
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}
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; STATS: Statistics {
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; STATS: Instructions copied: 1
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; MODEL: Read-only accesses copied: 1
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; NOMODEL: Read-only accesses copied: 0
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; STATS: Operand trees forwarded: 1
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; STATS: Statements with forwarded operand trees: 1
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; STATS: }
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; MODEL: After statements {
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; MODEL-NEXT: Stmt_bodyA
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; MODEL-NEXT: ReadAccess := [Reduction Type: NONE] [Scalar: 1]
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; MODEL-NEXT: [n] -> { Stmt_bodyA[i0] -> MemRef_arg[] };
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; MODEL-NEXT: MustWriteAccess := [Reduction Type: NONE] [Scalar: 1]
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; MODEL-NEXT: [n] -> { Stmt_bodyA[i0] -> MemRef_val[] };
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; MODEL-NEXT: Instructions {
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; MODEL-NEXT: %val = fadd double %arg, 2.100000e+01
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; MODEL-NEXT: }
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; MODEL-NEXT: Stmt_bodyB
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; MODEL-NEXT: MustWriteAccess := [Reduction Type: NONE] [Scalar: 0]
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; MODEL-NEXT: [n] -> { Stmt_bodyB[i0] -> MemRef_A[0] };
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; MODEL-NEXT: ReadAccess := [Reduction Type: NONE] [Scalar: 1]
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; MODEL-NEXT: [n] -> { Stmt_bodyB[i0] -> MemRef_arg[] };
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; MODEL-NEXT: Instructions {
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; MODEL-NEXT: %val = fadd double %arg, 2.100000e+01
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; MODEL-NEXT: store double %val, ptr %A, align 8
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; MODEL-NEXT: }
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; MODEL-NEXT: }
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; NOMODEL: After statements {
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; NOMODEL-NEXT: Stmt_bodyA
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; NOMODEL-NEXT: MustWriteAccess := [Reduction Type: NONE] [Scalar: 1]
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; NOMODEL-NEXT: [n] -> { Stmt_bodyA[i0] -> MemRef_val[] };
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; NOMODEL-NEXT: Instructions {
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; NOMODEL-NEXT: %val = fadd double %arg, 2.100000e+01
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; NOMODEL-NEXT: }
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; NOMODEL-NEXT: Stmt_bodyB
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; NOMODEL-NEXT: MustWriteAccess := [Reduction Type: NONE] [Scalar: 0]
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; NOMODEL-NEXT: [n] -> { Stmt_bodyB[i0] -> MemRef_A[0] };
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; NOMODEL-NEXT: Instructions {
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; NOMODEL-NEXT: %val = fadd double %arg, 2.100000e+01
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; NOMODEL-NEXT: store double %val, ptr %A, align 8
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; NOMODEL-NEXT: }
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; NOMODEL-NEXT: }
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