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bfebf25704
Summary: This change fix the bug in isProfitableToUseMemset() where MaxIntSize shoule be in byte, not bit. Reviewers: arsenm, joker.eph, mcrosier Subscribers: mcrosier, llvm-commits Differential Revision: http://reviews.llvm.org/D20176 llvm-svn: 269433
21 lines
570 B
LLVM
21 lines
570 B
LLVM
; RUN: opt < %s -memcpyopt -S | FileCheck %s
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target datalayout = "e-m:e-i64:64-i128:128-n32:64-S128"
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; CHECK-LABEL: @foo(
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; CHECK-NOT: store
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; CHECK: call void @llvm.memset.p0i8.i64(i8* %2, i8 0, i64 8, i32 2, i1 false)
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define void @foo(i64* nocapture %P) {
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entry:
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%0 = bitcast i64* %P to i16*
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%arrayidx = getelementptr inbounds i16, i16* %0, i64 1
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%1 = bitcast i16* %arrayidx to i32*
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%arrayidx1 = getelementptr inbounds i16, i16* %0, i64 3
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store i16 0, i16* %0, align 2
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store i32 0, i32* %1, align 4
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store i16 0, i16* %arrayidx1, align 2
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ret void
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}
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