53 lines
1.5 KiB
LLVM
53 lines
1.5 KiB
LLVM
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; RUN: llc < %s -mtriple=aarch64-windows | FileCheck %s
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define dso_local void @func() {
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entry:
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%buf = alloca [8192 x i8], align 32
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%arraydecay = getelementptr inbounds [8192 x i8], ptr %buf, i64 0, i64 0
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call void @other(ptr noundef %arraydecay)
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ret void
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}
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declare dso_local void @other(ptr noundef)
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; CHECK-LABEL: func:
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; CHECK-NEXT: .seh_proc func
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; CHECK-NEXT: // %bb.0:
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; CHECK-NEXT: str x28, [sp, #-32]!
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; CHECK-NEXT: .seh_save_reg_x x28, 32
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; CHECK-NEXT: stp x29, x30, [sp, #8]
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; CHECK-NEXT: .seh_save_fplr 8
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; CHECK-NEXT: add x29, sp, #8
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; CHECK-NEXT: .seh_add_fp 8
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; CHECK-NEXT: .seh_endprologue
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; CHECK-NEXT: mov x15, #513
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; CHECK-NEXT: bl __chkstk
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; CHECK-NEXT: sub sp, sp, x15, lsl #4
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; CHECK-NEXT: add x15, sp, #16
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; CHECK-NEXT: and sp, x15, #0xffffffffffffffe0
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define dso_local void @func2() {
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entry:
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%buf = alloca [8192 x i8], align 8192
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%arraydecay = getelementptr inbounds [8192 x i8], ptr %buf, i64 0, i64 0
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call void @other(ptr noundef %arraydecay)
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ret void
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}
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; CHECK-LABEL: func2:
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; CHECK-NEXT: .seh_proc func2
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; CHECK-NEXT: // %bb.0:
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; CHECK-NEXT: str x28, [sp, #-32]!
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; CHECK-NEXT: .seh_save_reg_x x28, 32
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; CHECK-NEXT: stp x29, x30, [sp, #8]
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; CHECK-NEXT: .seh_save_fplr 8
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; CHECK-NEXT: add x29, sp, #8
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; CHECK-NEXT: .seh_add_fp 8
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; CHECK-NEXT: .seh_endprologue
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; CHECK-NEXT: mov x15, #1533
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; CHECK-NEXT: bl __chkstk
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; CHECK-NEXT: sub sp, sp, x15, lsl #4
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; CHECK-NEXT: mov x16, #8176
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; CHECK-NEXT: add x15, sp, x16
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; CHECK-NEXT: and sp, x15, #0xffffffffffffe000
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