forked from OSchip/llvm-project
55 lines
1.8 KiB
LLVM
55 lines
1.8 KiB
LLVM
; RUN: opt %loadPolly -polly-process-unprofitable -polly-codegen -polly-invariant-load-hoisting=true -S < %s | FileCheck %s
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;
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; CHECK-LABEL: polly.preload.begin:
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; CHECK-NEXT: %polly.access.C = getelementptr i32, i32* %C, i64 0
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; CHECK-NEXT: %polly.access.C.load = load i32, i32* %polly.access.C
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; CHECK-NOT: %polly.access.C.load = load i32, i32* %polly.access.C
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;
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; CHECK-LABEL: polly.cond:
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; CHECK-NEXT: %[[R0:[0-9]*]] = sext i32 %polly.access.C.load to i64
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; CHECK-NEXT: %[[R1:[0-9]*]] = icmp sle i64 %[[R0]], -1
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; CHECK-NEXT: %[[R2:[0-9]*]] = sext i32 %polly.access.C.load to i64
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; CHECK-NEXT: %[[R3:[0-9]*]] = icmp sge i64 %[[R2]], 1
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; CHECK-NEXT: %[[R4:[0-9]*]] = or i1 %[[R1]], %[[R3]]
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; CHECK-NEXT: br i1 %[[R4]]
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;
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; CHECK-NOT: polly.stmt.bb2
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;
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; void f(int *A, int *C) {
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; for (int i = 0; i < 1024; i++)
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; if (*C)
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; A[i] = 0;
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; }
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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* %A, i32* %C) {
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bb:
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br label %bb1
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bb1: ; preds = %bb7, %bb
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%indvars.iv = phi i64 [ %indvars.iv.next, %bb7 ], [ 0, %bb ]
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%exitcond = icmp ne i64 %indvars.iv, 1024
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br i1 %exitcond, label %bb2, label %bb8
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bb2: ; preds = %bb1
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%tmp = load i32, i32* %C, align 4
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%tmp3 = icmp eq i32 %tmp, 0
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br i1 %tmp3, label %bb6, label %bb4
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bb4: ; preds = %bb2
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%tmp5 = getelementptr inbounds i32, i32* %A, i64 %indvars.iv
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store i32 0, i32* %tmp5, align 4
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br label %bb6
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bb6: ; preds = %bb2, %bb4
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br label %bb7
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bb7: ; preds = %bb6
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%indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
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br label %bb1
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bb8: ; preds = %bb1
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ret void
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}
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