forked from OSchip/llvm-project
73 lines
2.7 KiB
LLVM
73 lines
2.7 KiB
LLVM
; RUN: opt %loadPolly -polly-scops -polly-invariant-load-hoisting=true -analyze < %s | FileCheck %s
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; RUN: opt %loadPolly -polly-codegen -polly-invariant-load-hoisting=true -S < %s | FileCheck %s --check-prefix=CODEGEN
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;
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; void f(int *I0, int *I1, int *V) {
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; for (int i = 0; i < 1000; i++) {
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; if ((long)(*I0) == 0)
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; V[i] += *I1;
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; }
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; }
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;
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; CHECK: Assumed Context:
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; CHECK-NEXT: [loadI0] -> { : }
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; CHECK-NEXT: Invalid Context:
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; CHECK-NEXT: [loadI0] -> { : loadI0 < 0 }
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;
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; CHECK: p0: %loadI0
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;
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; CHECK: Stmt_if_then
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; CHECK-NEXT: Domain :=
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; CHECK-NEXT: [loadI0] -> { Stmt_if_then[i0] : loadI0 = 0 and 0 <= i0 <= 999 };
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;
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; CODEGEN: polly.preload.begin:
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; CODEGEN-NEXT: %polly.access.I0 = getelementptr i32, i32* %I0, i64 0
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; CODEGEN-NEXT: %polly.access.I0.load = load i32, i32* %polly.access.I0
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; CODEGEN-NEXT: store i32 %polly.access.I0.load, i32* %loadI0.preload.s2a
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; CODEGEN-NEXT: %0 = sext i32 %polly.access.I0.load to i64
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; CODEGEN-NEXT: %1 = icmp eq i64 %0, 0
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; CODEGEN-NEXT: br label %polly.preload.cond
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;
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; CODEGEN: polly.preload.cond:
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; CODEGEN-NEXT: br i1 %1, label %polly.preload.exec, label %polly.preload.merge
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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 @f(i32* %I0, i32* %I1, i32* %V) {
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entry:
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br label %for.cond
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for.cond: ; preds = %for.inc, %entry
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%indvars.iv = phi i64 [ %indvars.iv.next, %for.inc ], [ 0, %entry ]
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%exitcond = icmp ne i64 %indvars.iv, 1000
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br i1 %exitcond, label %for.body, label %for.end
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for.body: ; preds = %for.cond
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%loadI1a = load i32, i32* %I0, align 4
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%arrayidx = getelementptr inbounds i32, i32* %V, i64 %indvars.iv
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%loadI1a1 = load i32, i32* %arrayidx, align 4
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%add = add nsw i32 %loadI1a1, %loadI1a
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store i32 %add, i32* %arrayidx, align 4
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%loadI0 = load i32, i32* %I0, align 4
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%loadI0ext = zext i32 %loadI0 to i64
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%cmp1 = icmp eq i64 %loadI0ext, 0
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br i1 %cmp1, label %if.then, label %if.end
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if.then: ; preds = %for.body
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%loadI1b = load i32, i32* %I1, align 4
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%arrayidx4 = getelementptr inbounds i32, i32* %V, i64 %indvars.iv
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%loadI1a4 = load i32, i32* %arrayidx4, align 4
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%add5 = add nsw i32 %loadI1a4, %loadI1b
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store i32 %add5, i32* %arrayidx4, align 4
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br label %if.end
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if.end: ; preds = %if.then, %for.body
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br label %for.inc
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for.inc: ; preds = %if.end
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%indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
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br label %for.cond
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for.end: ; preds = %for.cond
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ret void
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}
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