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Diffstat (limited to 'test/CodeGen/AArch64/fast-isel-memcpy.ll')
| -rw-r--r-- | test/CodeGen/AArch64/fast-isel-memcpy.ll | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/test/CodeGen/AArch64/fast-isel-memcpy.ll b/test/CodeGen/AArch64/fast-isel-memcpy.ll new file mode 100644 index 0000000..9161dad --- /dev/null +++ b/test/CodeGen/AArch64/fast-isel-memcpy.ll @@ -0,0 +1,15 @@ +; RUN: llc -mtriple=aarch64-apple-darwin -fast-isel -fast-isel-abort -verify-machineinstrs < %s | FileCheck %s + +; Test that we don't segfault. +; CHECK-LABEL: test +; CHECK: ldr [[REG1:x[0-9]+]], [x1] +; CHECK-NEXT: and [[REG2:x[0-9]+]], x0, #0x7fffffffffffffff +; CHECK-NEXT: str [[REG1]], {{\[}}[[REG2]]{{\]}} +define void @test(i64 %a, i8* %b) { + %1 = and i64 %a, 9223372036854775807 + %2 = inttoptr i64 %1 to i8* + call void @llvm.memcpy.p0i8.p0i8.i64(i8* %2, i8* %b, i64 8, i32 8, i1 false) + ret void +} + +declare void @llvm.memcpy.p0i8.p0i8.i64(i8*, i8*, i64, i32, i1) |