mirror of
https://github.com/c64scene-ar/llvm-6502.git
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e3a75015d7
Currently the large code model for MachO uses the GOT to make function calls. Emit the required adrp and ldr instructions to load the address from the GOT. Related to <rdar://problem/17733076>. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@214381 91177308-0d34-0410-b5e6-96231b3b80d8
108 lines
3.2 KiB
LLVM
108 lines
3.2 KiB
LLVM
; RUN: llc -O0 -fast-isel-abort -code-model=small -mtriple=arm64-apple-darwin < %s | FileCheck %s
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; RUN: llc -O0 -fast-isel-abort -code-model=large -mtriple=arm64-apple-darwin < %s | FileCheck %s --check-prefix=LARGE
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; RUN: llc -O0 -fast-isel-abort -code-model=small -mtriple=aarch64_be-linux-gnu < %s | FileCheck %s --check-prefix=CHECK-BE
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define void @call0() nounwind {
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entry:
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ret void
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}
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define void @foo0() nounwind {
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entry:
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; CHECK-LABEL: foo0
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; CHECK: bl _call0
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; LARGE-LABEL: foo0
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; LARGE: adrp [[REG0:x[0-9]+]], _call0@GOTPAGE
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; LARGE: ldr [[REG1:x[0-9]+]], {{\[}}[[REG0]], _call0@GOTPAGEOFF{{\]}}
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; LARGE-NEXT: blr [[REG1]]
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call void @call0()
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ret void
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}
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define i32 @call1(i32 %a) nounwind {
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entry:
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%a.addr = alloca i32, align 4
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store i32 %a, i32* %a.addr, align 4
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%tmp = load i32* %a.addr, align 4
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ret i32 %tmp
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}
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define i32 @foo1(i32 %a) nounwind {
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entry:
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; CHECK-LABEL: foo1
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; CHECK: stur w0, [x29, #-4]
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; CHECK-NEXT: ldur w0, [x29, #-4]
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; CHECK-NEXT: bl _call1
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%a.addr = alloca i32, align 4
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store i32 %a, i32* %a.addr, align 4
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%tmp = load i32* %a.addr, align 4
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%call = call i32 @call1(i32 %tmp)
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ret i32 %call
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}
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define i32 @sext_(i8 %a, i16 %b) nounwind {
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entry:
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; CHECK-LABEL: @sext_
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; CHECK: sxtb w0, w0
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; CHECK: sxth w1, w1
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; CHECK: bl _foo_sext_
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call void @foo_sext_(i8 signext %a, i16 signext %b)
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ret i32 0
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}
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declare void @foo_sext_(i8 %a, i16 %b)
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define i32 @zext_(i8 %a, i16 %b) nounwind {
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entry:
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; CHECK-LABEL: @zext_
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; CHECK: uxtb w0, w0
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; CHECK: uxth w1, w1
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call void @foo_zext_(i8 zeroext %a, i16 zeroext %b)
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ret i32 0
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}
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declare void @foo_zext_(i8 %a, i16 %b)
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define i32 @t1(i32 %argc, i8** nocapture %argv) {
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entry:
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; CHECK-LABEL: @t1
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; The last parameter will be passed on stack via i8.
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; CHECK: strb w{{[0-9]+}}, [sp]
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; CHECK: bl _bar
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%call = call i32 @bar(i8 zeroext 0, i8 zeroext -8, i8 zeroext -69, i8 zeroext 28, i8 zeroext 40, i8 zeroext -70, i8 zeroext 28, i8 zeroext 39, i8 zeroext -41)
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ret i32 0
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}
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declare i32 @bar(i8 zeroext, i8 zeroext, i8 zeroext, i8 zeroext, i8 zeroext, i8 zeroext, i8 zeroext, i8 zeroext, i8 zeroext)
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; Test materialization of integers. Target-independent selector handles this.
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define i32 @t2() {
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entry:
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; CHECK-LABEL: @t2
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; CHECK: movz x0, #0
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; CHECK: orr w1, wzr, #0xfffffff8
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; CHECK: orr w[[REG:[0-9]+]], wzr, #0x3ff
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; CHECK: orr w[[REG2:[0-9]+]], wzr, #0x2
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; CHECK: movz w[[REG3:[0-9]+]], #0
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; CHECK: orr w[[REG4:[0-9]+]], wzr, #0x1
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; CHECK: uxth w2, w[[REG]]
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; CHECK: sxtb w3, w[[REG2]]
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; CHECK: and w4, w[[REG3]], #0x1
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; CHECK: and w5, w[[REG4]], #0x1
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; CHECK: bl _func2
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%call = call i32 @func2(i64 zeroext 0, i32 signext -8, i16 zeroext 1023, i8 signext -254, i1 zeroext 0, i1 zeroext 1)
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ret i32 0
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}
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declare i32 @func2(i64 zeroext, i32 signext, i16 zeroext, i8 signext, i1 zeroext, i1 zeroext)
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declare void @callee_b0f(i8 %bp10, i8 %bp11, i8 %bp12, i8 %bp13, i8 %bp14, i8 %bp15, i8 %bp17, i8 %bp18, i8 %bp19)
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define void @caller_b1f() {
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entry:
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; CHECK-BE-LABEL: caller_b1f
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; CHECK-BE: strb w{{.*}}, [sp, #7]
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call void @callee_b0f(i8 1, i8 2, i8 3, i8 4, i8 5, i8 6, i8 7, i8 8, i8 42)
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ret void
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}
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