forked from OSchip/llvm-project
63 lines
2.5 KiB
LLVM
63 lines
2.5 KiB
LLVM
; RUN: opt %loadPolly -polly-stmt-granularity=bb -polly-scops -analyze < %s | FileCheck %s
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target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
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; Verify that we can look through a bitcast when delinearizing multi-dimensional
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; arrays.
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; CHECK: Stmt_bb7[i0, i1] -> MemRef_B[i0, i1]
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; CHECK: Stmt_bb7[i0, i1] -> MemRef_B[i0, i1]
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; CHECK: Stmt_bb17[i0] -> MemRef_B[i0, 100]
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define void @kernel(float* %A, [101 x float]* %B, [101 x float]* %C, float* %D) {
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bb:
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br label %bb4
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bb4: ; preds = %bb21, %bb
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%indvars.iv1 = phi i64 [ %indvars.iv.next2, %bb21 ], [ 0, %bb ]
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%exitcond3 = icmp eq i64 %indvars.iv1, 100
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br i1 %exitcond3, label %bb22, label %bb5
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bb5: ; preds = %bb4
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br label %bb6
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bb6: ; preds = %bb16, %bb5
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%indvars.iv = phi i64 [ %indvars.iv.next, %bb16 ], [ 0, %bb5 ]
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%exitcond = icmp eq i64 %indvars.iv, 100
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br i1 %exitcond, label %bb17, label %bb7
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bb7: ; preds = %bb6
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%tmp = getelementptr inbounds float, float* %D, i64 %indvars.iv
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%tmp8 = load float, float* %tmp, align 4
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%tmp9 = getelementptr inbounds [101 x float], [101 x float]* %B, i64 %indvars.iv1, i64 %indvars.iv
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%tmp10 = load float, float* %tmp9, align 4
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%tmp11 = fmul float %tmp8, %tmp10
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%tmp12 = getelementptr inbounds [101 x float], [101 x float]* %C, i64 %indvars.iv1, i64 %indvars.iv
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store float %tmp11, float* %tmp12, align 4
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%tmp13 = getelementptr inbounds float, float* %A, i64 %indvars.iv
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%0 = bitcast float* %tmp13 to i32*
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%tmp141 = load i32, i32* %0, align 4
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%tmp15 = getelementptr inbounds [101 x float], [101 x float]* %B, i64 %indvars.iv1, i64 %indvars.iv
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%1 = bitcast float* %tmp15 to i32*
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store i32 %tmp141, i32* %1, align 4
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br label %bb16
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bb16: ; preds = %bb7
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%indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
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br label %bb6
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bb17: ; preds = %bb6
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%tmp18 = trunc i64 %indvars.iv1 to i32
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%tmp19 = sitofp i32 %tmp18 to float
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%tmp20 = getelementptr inbounds [101 x float], [101 x float]* %B, i64 %indvars.iv1, i64 100
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store float %tmp19, float* %tmp20, align 4
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br label %bb21
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bb21: ; preds = %bb17
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%indvars.iv.next2 = add nuw nsw i64 %indvars.iv1, 1
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br label %bb4
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bb22: ; preds = %bb4
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ret void
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}
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