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a7f0b27412
The load/store value type is currently not available when lowering the memcpy intrinsic. Add the missing nullptr check to support this in 'computeAddress'. Fixes rdar://problem/19178947. llvm-svn: 223818
16 lines
578 B
LLVM
16 lines
578 B
LLVM
; RUN: llc -mtriple=aarch64-apple-darwin -fast-isel -fast-isel-abort -verify-machineinstrs < %s | FileCheck %s
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; Test that we don't segfault.
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; CHECK-LABEL: test
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; CHECK: ldr [[REG1:x[0-9]+]], [x1]
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; CHECK-NEXT: and [[REG2:x[0-9]+]], x0, #0x7fffffffffffffff
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; CHECK-NEXT: str [[REG1]], {{\[}}[[REG2]]{{\]}}
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define void @test(i64 %a, i8* %b) {
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%1 = and i64 %a, 9223372036854775807
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%2 = inttoptr i64 %1 to i8*
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call void @llvm.memcpy.p0i8.p0i8.i64(i8* %2, i8* %b, i64 8, i32 8, i1 false)
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ret void
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}
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declare void @llvm.memcpy.p0i8.p0i8.i64(i8*, i8*, i64, i32, i1)
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