forked from OSchip/llvm-project
59 lines
2.0 KiB
LLVM
59 lines
2.0 KiB
LLVM
; RUN: opt %loadPolly -analyze -polly-scops < %s | FileCheck %s -check-prefix=SCOP
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; RUN: opt %loadPolly -S -polly-codegen-ppcg < %s | FileCheck %s -check-prefix=HOST-IR
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; REQUIRES: pollyacc
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; SCOP: Function: f
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; SCOP-NEXT: Region: %for.body---%for.end
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; SCOP-NEXT: Max Loop Depth: 1
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; Check that kernel launch is generated in host IR.
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; the declare would not be generated unless a call to a kernel exists.
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; HOST-IR: declare void @polly_launchKernel(i8*, i32, i32, i32, i32, i32, i8*)
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; void f(int A[], int B[], int control, int C[]) {
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; int x;
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; #pragma scop
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; for(int i = 0; i < 1000; i ++) {
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; x = 0;
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; if(control) x = C[i];
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; B[i] = x * A[i];
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;
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; }
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; #pragma endscop
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; }
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target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
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define void @f(i32* %A, i32* %B, i32 %control, i32* %C) {
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entry:
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br label %entry.split
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entry.split: ; preds = %entry
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br label %for.body
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for.body: ; preds = %entry.split, %if.end
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%indvars.iv = phi i64 [ 0, %entry.split ], [ %indvars.iv.next, %if.end ]
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%tobool = icmp eq i32 %control, 0
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br i1 %tobool, label %if.end, label %if.then
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if.then: ; preds = %for.body
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%arrayidx = getelementptr inbounds i32, i32* %C, i64 %indvars.iv
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%tmp4 = load i32, i32* %arrayidx, align 4
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br label %if.end
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if.end: ; preds = %for.body, %if.then
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%x.0 = phi i32 [ %tmp4, %if.then ], [ 0, %for.body ]
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%arrayidx2 = getelementptr inbounds i32, i32* %A, i64 %indvars.iv
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%tmp8 = load i32, i32* %arrayidx2, align 4
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%mul = mul nsw i32 %tmp8, %x.0
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%arrayidx4 = getelementptr inbounds i32, i32* %B, i64 %indvars.iv
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store i32 %mul, i32* %arrayidx4, align 4
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%indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
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%exitcond = icmp ne i64 %indvars.iv.next, 1000
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br i1 %exitcond, label %for.body, label %for.end
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for.end: ; preds = %if.end
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ret void
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}
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