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https://github.com/RPCS3/llvm.git
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9441ad0b6e
- memcpy size is wrongly truncated into 32-bit and treat 8GB memcpy is 0-sized memcpy - as 0-sized memcpy/memset is already removed before SimplifyMemTransfer and SimplifyMemSet in visitCallInst, replace 0 checking with assertions. - replace getZExtValue() with getLimitedValue() according to Eli Friedman git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@161923 91177308-0d34-0410-b5e6-96231b3b80d8
28 lines
863 B
LLVM
28 lines
863 B
LLVM
; RUN: opt < %s -instcombine -S | FileCheck %s
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declare void @llvm.memcpy.p0i8.p0i8.i32(i8* nocapture, i8* nocapture, i32, i32, i1) nounwind
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declare void @llvm.memcpy.p0i8.p0i8.i64(i8* nocapture, i8* nocapture, i64, i32, i1) nounwind
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define void @test1(i8* %a) {
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tail call void @llvm.memcpy.p0i8.p0i8.i32(i8* %a, i8* %a, i32 100, i32 1, i1 false)
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ret void
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; CHECK: define void @test1
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; CHECK-NEXT: ret void
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}
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; PR8267
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define void @test2(i8* %a) {
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tail call void @llvm.memcpy.p0i8.p0i8.i32(i8* %a, i8* %a, i32 100, i32 1, i1 true)
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ret void
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; CHECK: define void @test2
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; CHECK-NEXT: call void @llvm.memcpy
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}
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define void @test3(i8* %d, i8* %s) {
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tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %d, i8* %s, i64 17179869184, i32 4, i1 false)
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ret void
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; CHECK: define void @test3
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; CHECK-NEXT: call void @llvm.memcpy
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}
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