forked from OSchip/llvm-project
50 lines
1.2 KiB
LLVM
50 lines
1.2 KiB
LLVM
; RUN: llc -mtriple=arm64_32-apple-ios -O0 -fast-isel %s -o - | FileCheck %s
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@var = global i8* null
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define void @test_store_release_ptr() {
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; CHECK-LABEL: test_store_release_ptr
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; CHECK: mov [[ZERO:w[0-9]+]], wzr
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; CHECK: stlr [[ZERO]]
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store atomic i8* null, i8** @var release, align 4
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br label %next
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next:
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ret void
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}
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declare [2 x i32] @callee()
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define void @test_struct_return(i32* %addr) {
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; CHECK-LABEL: test_struct_return:
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; CHECK: bl _callee
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; CHECK-DAG: lsr [[HI:x[0-9]+]], x0, #32
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; CHECK-DAG: str w0
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%res = call [2 x i32] @callee()
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%res.0 = extractvalue [2 x i32] %res, 0
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store i32 %res.0, i32* %addr
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%res.1 = extractvalue [2 x i32] %res, 1
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store i32 %res.1, i32* %addr
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ret void
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}
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define i8* @test_ret_ptr(i64 %in) {
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; CHECK-LABEL: test_ret_ptr:
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; CHECK: add [[TMP:x[0-9]]], x0, #1
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; CHECK: and x0, [[TMP]], #0xffffffff
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%sum = add i64 %in, 1
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%res = inttoptr i64 %sum to i8*
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ret i8* %res
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}
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; Handled by SDAG because the struct confuses FastISel, which is fine.
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define {i8*} @test_ret_ptr_struct(i64 %in) {
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; CHECK-LABEL: test_ret_ptr_struct:
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; CHECK: add {{w[0-9]+}}, {{w[0-9]+}}, #1
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%sum = add i64 %in, 1
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%res.ptr = inttoptr i64 %sum to i8*
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%res = insertvalue {i8*} undef, i8* %res.ptr, 0
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ret {i8*} %res
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}
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