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