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Only Linux is supported at the moment, and other platforms quickly fault. As a result these tests would fail on non-Linux hosts. It may be worth making the tests more generic again as more platforms are supported. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174170 91177308-0d34-0410-b5e6-96231b3b80d8
59 lines
1.6 KiB
LLVM
59 lines
1.6 KiB
LLVM
; RUN: llc -verify-machineinstrs -mtriple=aarch64-none-linux-gnu < %s | FileCheck %s
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; RUN: llc -verify-machineinstrs -mtriple=aarch64-none-linux-gnu -disable-fp-elim < %s | FileCheck %s --check-prefix=CHECK-WITH-FP
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@bigspace = global [8 x i64] zeroinitializer
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declare void @use_addr(i8*)
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define void @test_frame([8 x i64] %val) {
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; CHECK: test_frame:
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; CHECK: .cfi_startproc
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%var = alloca i8, i32 1000000
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; CHECK: sub sp, sp, #[[SP_INIT_ADJ:[0-9]+]]
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; CHECK-NEXT: .Ltmp
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; CHECK-NEXT: .cfi_def_cfa sp, [[SP_INIT_ADJ]]
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; Make sure the prologue is reasonably efficient
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; CHECK-NEXT: stp x29, x30, [sp,
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; CHECK-NEXT: stp x25, x26, [sp,
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; CHECK-NEXT: stp x23, x24, [sp,
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; CHECK-NEXT: stp x21, x22, [sp,
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; CHECK-NEXT: stp x19, x20, [sp,
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; CHECK-NEXT: sub sp, sp, #160
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; CHECK-NEXT: sub sp, sp, #244, lsl #12
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; CHECK-NEXT: .Ltmp
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; CHECK-NEXT: .cfi_def_cfa sp, 1000080
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; CHECK-NEXT: .Ltmp
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; CHECK-NEXT: .cfi_offset x30, -8
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; CHECK-NEXT: .Ltmp
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; CHECK-NEXT: .cfi_offset x29, -16
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; [...]
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; CHECK: .cfi_offset x19, -80
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; CHECK: bl use_addr
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call void @use_addr(i8* %var)
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store [8 x i64] %val, [8 x i64]* @bigspace
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ret void
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; CHECK: ret
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; CHECK: .cfi_endproc
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}
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; CHECK-WITH-FP: test_frame:
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; CHECK-WITH-FP: sub sp, sp, #[[SP_INIT_ADJ:[0-9]+]]
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; CHECK-WITH-FP-NEXT: .Ltmp
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; CHECK-WITH-FP-NEXT: .cfi_def_cfa sp, [[SP_INIT_ADJ]]
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; CHECK-WITH-FP: stp x29, x30, [sp, [[OFFSET:#[0-9]+]]]
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; CHECK-WITH-FP-NEXT: add x29, sp, [[OFFSET]]
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; CHECK-WITH-FP-NEXT: .Ltmp
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; CHECK-WITH-FP-NEXT: .cfi_def_cfa x29, 16
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; We shouldn't emit any kind of update for the second stack adjustment if the
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; FP is in use.
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; CHECK-WITH-FP-NOT: .cfi_def_cfa_offset
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; CHECK-WITH-FP: bl use_addr
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