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077a5f2fec
The early return seems to be missed. This causes a radical and wrong loop optimization on powerpc. It isn't reproducible on x86_64, because "UseInterleaved" is false. Patch by Tim Shen. llvm-svn: 257134
30 lines
786 B
LLVM
30 lines
786 B
LLVM
; RUN: opt -loop-vectorize -force-vector-interleave=1 -S < %s | FileCheck %s
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; CHECK-LABEL: TestFoo
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; CHECK-NOT: %wide.vec
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target datalayout = "e-m:e-i64:64-n32:64"
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target triple = "powerpc64le-unknown-linux-gnu"
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define void @TestFoo(i1 %X, i1 %Y) {
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bb:
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br label %.loopexit5.outer
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.loopexit5.outer:
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br label %.lr.ph12
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.loopexit:
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br i1 %X, label %.loopexit5.outer, label %.lr.ph12
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.lr.ph12:
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%f.110 = phi i32* [ %tmp1, %.loopexit ], [ null, %.loopexit5.outer ]
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%tmp1 = getelementptr inbounds i32, i32* %f.110, i64 -2
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br i1 %Y, label %bb4, label %.loopexit
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bb4:
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%j.27 = phi i32 [ 0, %.lr.ph12 ], [ %tmp7, %bb4 ]
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%tmp5 = load i32, i32* %f.110, align 4
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%tmp7 = add nsw i32 %j.27, 1
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%exitcond = icmp eq i32 %tmp7, 0
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br i1 %exitcond, label %.loopexit, label %bb4
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}
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