83 lines
3.4 KiB
LLVM
83 lines
3.4 KiB
LLVM
; RUN: llc -o - %s | FileCheck %s
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; Check that we reserve an emergency spill slot, even if we added an extra
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; CSR spill for the values used by the swiftself parameter.
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; CHECK-LABEL: func:
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; CHECK: str [[REG:x[0-9]+]], [sp, #8]
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; CHECK: add [[REG]], sp, #248
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; CHECK: str xzr, [{{\s*}}[[REG]], #32760]
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; CHECK: ldr [[REG]], [sp, #8]
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target triple = "arm64-apple-ios"
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@ptr8 = external global i8*
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@ptr64 = external global i64
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define hidden swiftcc void @func(i8* swiftself %arg) #0 {
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bb:
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%stack0 = alloca i8*, i32 5000, align 8
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%stack1 = alloca i8*, i32 32, align 8
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%v0 = load volatile i64, i64* @ptr64, align 8
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%v1 = load volatile i64, i64* @ptr64, align 8
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%v2 = load volatile i64, i64* @ptr64, align 8
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%v3 = load volatile i64, i64* @ptr64, align 8
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%v4 = load volatile i64, i64* @ptr64, align 8
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%v5 = load volatile i64, i64* @ptr64, align 8
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%v6 = load volatile i64, i64* @ptr64, align 8
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%v7 = load volatile i64, i64* @ptr64, align 8
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%v8 = load volatile i64, i64* @ptr64, align 8
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%v9 = load volatile i64, i64* @ptr64, align 8
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%v10 = load volatile i64, i64* @ptr64, align 8
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%v11 = load volatile i64, i64* @ptr64, align 8
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%v12 = load volatile i64, i64* @ptr64, align 8
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%v13 = load volatile i64, i64* @ptr64, align 8
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%v14 = load volatile i64, i64* @ptr64, align 8
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%v15 = load volatile i64, i64* @ptr64, align 8
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%v16 = load volatile i64, i64* @ptr64, align 8
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%v17 = load volatile i64, i64* @ptr64, align 8
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%v18 = load volatile i64, i64* @ptr64, align 8
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%v19 = load volatile i64, i64* @ptr64, align 8
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%v20 = load volatile i64, i64* @ptr64, align 8
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%v21 = load volatile i64, i64* @ptr64, align 8
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%v22 = load volatile i64, i64* @ptr64, align 8
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%v23 = load volatile i64, i64* @ptr64, align 8
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%v24 = load volatile i64, i64* @ptr64, align 8
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%v25 = load volatile i64, i64* @ptr64, align 8
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; this should exceed stack-relative addressing limits and need an emergency
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; spill slot.
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%s = getelementptr inbounds i8*, i8** %stack0, i64 4092
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store volatile i8* null, i8** %s
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store volatile i8* null, i8** %stack1
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store volatile i64 %v0, i64* @ptr64, align 8
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store volatile i64 %v1, i64* @ptr64, align 8
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store volatile i64 %v2, i64* @ptr64, align 8
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store volatile i64 %v3, i64* @ptr64, align 8
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store volatile i64 %v4, i64* @ptr64, align 8
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store volatile i64 %v5, i64* @ptr64, align 8
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store volatile i64 %v6, i64* @ptr64, align 8
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store volatile i64 %v7, i64* @ptr64, align 8
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store volatile i64 %v8, i64* @ptr64, align 8
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store volatile i64 %v9, i64* @ptr64, align 8
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store volatile i64 %v10, i64* @ptr64, align 8
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store volatile i64 %v11, i64* @ptr64, align 8
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store volatile i64 %v12, i64* @ptr64, align 8
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store volatile i64 %v13, i64* @ptr64, align 8
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store volatile i64 %v14, i64* @ptr64, align 8
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store volatile i64 %v15, i64* @ptr64, align 8
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store volatile i64 %v16, i64* @ptr64, align 8
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store volatile i64 %v17, i64* @ptr64, align 8
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store volatile i64 %v18, i64* @ptr64, align 8
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store volatile i64 %v19, i64* @ptr64, align 8
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store volatile i64 %v20, i64* @ptr64, align 8
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store volatile i64 %v21, i64* @ptr64, align 8
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store volatile i64 %v22, i64* @ptr64, align 8
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store volatile i64 %v23, i64* @ptr64, align 8
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store volatile i64 %v24, i64* @ptr64, align 8
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store volatile i64 %v25, i64* @ptr64, align 8
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; use swiftself parameter late so it stays alive throughout the function.
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store volatile i8* %arg, i8** @ptr8
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ret void
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}
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