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1bb14916f2
This is the main CodeGen patch to support the arm64_32 watchOS ABI in LLVM. FastISel is mostly disabled for now since it would generate incorrect code for ILP32. llvm-svn: 371722
67 lines
1.7 KiB
LLVM
67 lines
1.7 KiB
LLVM
; RUN: llc -mtriple=arm64_32-apple-ios9.0 -o - %s | FileCheck %s
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define i64 @test_memcpy(i64* %addr, i8* %src, i1 %tst) minsize {
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; CHECK-LABEL: test_memcpy:
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; CHECK: ldr [[VAL64:x[0-9]+]], [x0]
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; [...]
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; CHECK: and x0, [[VAL64]], #0xffffffff
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; CHECK: bl _memcpy
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%val64 = load i64, i64* %addr
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br i1 %tst, label %true, label %false
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true:
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ret i64 %val64
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false:
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%val32 = trunc i64 %val64 to i32
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%val.ptr = inttoptr i32 %val32 to i8*
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call void @llvm.memcpy.p0i8.p0i8.i32(i8* %val.ptr, i8* %src, i32 128, i32 0, i1 1)
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ret i64 undef
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}
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define i64 @test_memmove(i64* %addr, i8* %src, i1 %tst) minsize {
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; CHECK-LABEL: test_memmove:
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; CHECK: ldr [[VAL64:x[0-9]+]], [x0]
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; [...]
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; CHECK: and x0, [[VAL64]], #0xffffffff
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; CHECK: bl _memmove
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%val64 = load i64, i64* %addr
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br i1 %tst, label %true, label %false
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true:
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ret i64 %val64
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false:
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%val32 = trunc i64 %val64 to i32
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%val.ptr = inttoptr i32 %val32 to i8*
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call void @llvm.memmove.p0i8.p0i8.i32(i8* %val.ptr, i8* %src, i32 128, i32 0, i1 1)
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ret i64 undef
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}
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define i64 @test_memset(i64* %addr, i8* %src, i1 %tst) minsize {
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; CHECK-LABEL: test_memset:
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; CHECK: ldr [[VAL64:x[0-9]+]], [x0]
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; [...]
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; CHECK: and x0, [[VAL64]], #0xffffffff
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; CHECK: bl _memset
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%val64 = load i64, i64* %addr
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br i1 %tst, label %true, label %false
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true:
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ret i64 %val64
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false:
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%val32 = trunc i64 %val64 to i32
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%val.ptr = inttoptr i32 %val32 to i8*
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call void @llvm.memset.p0i8.i32(i8* %val.ptr, i8 42, i32 256, i32 0, i1 1)
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ret i64 undef
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}
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declare void @llvm.memcpy.p0i8.p0i8.i32(i8*, i8*, i32, i32, i1)
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declare void @llvm.memmove.p0i8.p0i8.i32(i8*, i8*, i32, i32, i1)
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declare void @llvm.memset.p0i8.i32(i8*, i8, i32, i32, i1)
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