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| author | Tim Northover <tnorthover@apple.com> | 2014-06-10 09:52:44 +0000 |
|---|---|---|
| committer | Tim Northover <tnorthover@apple.com> | 2014-06-10 09:52:44 +0000 |
| commit | 46b3076cd0b1e57e16cfe4ecaa517eb78863a92a (patch) | |
| tree | 5ae6f9005117c4ad410001b887876180cad009d8 /test/CodeGen/AArch64 | |
| parent | 292c7c6a4886e3c7a99e4ef11fbbeea6b5997edc (diff) | |
| download | llvm-46b3076cd0b1e57e16cfe4ecaa517eb78863a92a.tar.gz llvm-46b3076cd0b1e57e16cfe4ecaa517eb78863a92a.tar.bz2 llvm-46b3076cd0b1e57e16cfe4ecaa517eb78863a92a.tar.xz | |
AArch64: teach FastISel how to handle offset FrameIndices
Previously we were abandonning the attempt, leading to some combination of
extra work (when selection of a load/store fails completely) and inferior code
(when this leads to a real memcpy call instead of inlining).
rdar://problem/17187463
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210520 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/CodeGen/AArch64')
| -rw-r--r-- | test/CodeGen/AArch64/arm64-fast-isel-intrinsic.ll | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/test/CodeGen/AArch64/arm64-fast-isel-intrinsic.ll b/test/CodeGen/AArch64/arm64-fast-isel-intrinsic.ll index 7c85ea5b9f..115298805a 100644 --- a/test/CodeGen/AArch64/arm64-fast-isel-intrinsic.ll +++ b/test/CodeGen/AArch64/arm64-fast-isel-intrinsic.ll @@ -136,9 +136,13 @@ define void @t8() { define void @test_distant_memcpy(i8* %dst) { ; ARM64-LABEL: test_distant_memcpy: -; ARM64: bl _memcpy +; ARM64: mov [[ARRAY:x[0-9]+]], sp +; ARM64: movz [[OFFSET:x[0-9]+]], #0x1f40 +; ARM64: add x[[ADDR:[0-9]+]], [[ARRAY]], [[OFFSET]] +; ARM64: ldrb [[BYTE:w[0-9]+]], [x[[ADDR]]] +; ARM64: strb [[BYTE]], [x0] %array = alloca i8, i32 8192 %elem = getelementptr i8* %array, i32 8000 - call void @llvm.memcpy.p0i8.p0i8.i64(i8* %dst, i8* %elem, i64 4, i32 1, i1 false) + call void @llvm.memcpy.p0i8.p0i8.i64(i8* %dst, i8* %elem, i64 1, i32 1, i1 false) ret void } |