mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-12-21 00:32:23 +00:00
b36af0785a
This is a followup patch for r214366, which added the same behavior to the AArch64 and X86 FastISel code. This fix reproduces the already existing behavior of SelectionDAG in FastISel. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@214531 91177308-0d34-0410-b5e6-96231b3b80d8
269 lines
8.0 KiB
LLVM
269 lines
8.0 KiB
LLVM
; RUN: llc < %s -O0 -verify-machineinstrs -fast-isel-abort -relocation-model=dynamic-no-pic -mtriple=armv7-apple-ios | FileCheck %s --check-prefix=ARM
|
|
; RUN: llc < %s -O0 -verify-machineinstrs -fast-isel-abort -relocation-model=dynamic-no-pic -mtriple=armv7-linux-gnueabi | FileCheck %s --check-prefix=ARM
|
|
; RUN: llc < %s -O0 -verify-machineinstrs -fast-isel-abort -relocation-model=dynamic-no-pic -mtriple=thumbv7-apple-ios | FileCheck %s --check-prefix=THUMB
|
|
; RUN: llc < %s -O0 -verify-machineinstrs -fast-isel-abort -relocation-model=dynamic-no-pic -mtriple=armv7-apple-ios -arm-long-calls | FileCheck %s --check-prefix=ARM-LONG
|
|
; RUN: llc < %s -O0 -verify-machineinstrs -fast-isel-abort -relocation-model=dynamic-no-pic -mtriple=armv7-linux-gnueabi -arm-long-calls | FileCheck %s --check-prefix=ARM-LONG
|
|
; RUN: llc < %s -O0 -verify-machineinstrs -fast-isel-abort -relocation-model=dynamic-no-pic -mtriple=thumbv7-apple-ios -arm-long-calls | FileCheck %s --check-prefix=THUMB-LONG
|
|
; RUN: llc < %s -O0 -verify-machineinstrs -fast-isel-abort -relocation-model=dynamic-no-pic -mtriple=armv7-apple-ios -mattr=-vfp2 | FileCheck %s --check-prefix=ARM-NOVFP
|
|
; RUN: llc < %s -O0 -verify-machineinstrs -fast-isel-abort -relocation-model=dynamic-no-pic -mtriple=armv7-linux-gnueabi -mattr=-vfp2 | FileCheck %s --check-prefix=ARM-NOVFP
|
|
; RUN: llc < %s -O0 -verify-machineinstrs -fast-isel-abort -relocation-model=dynamic-no-pic -mtriple=thumbv7-apple-ios -mattr=-vfp2 | FileCheck %s --check-prefix=THUMB-NOVFP
|
|
|
|
; Note that some of these tests assume that relocations are either
|
|
; movw/movt or constant pool loads. Different platforms will select
|
|
; different approaches.
|
|
|
|
define i32 @t0(i1 zeroext %a) nounwind {
|
|
%1 = zext i1 %a to i32
|
|
ret i32 %1
|
|
}
|
|
|
|
define i32 @t1(i8 signext %a) nounwind {
|
|
%1 = sext i8 %a to i32
|
|
ret i32 %1
|
|
}
|
|
|
|
define i32 @t2(i8 zeroext %a) nounwind {
|
|
%1 = zext i8 %a to i32
|
|
ret i32 %1
|
|
}
|
|
|
|
define i32 @t3(i16 signext %a) nounwind {
|
|
%1 = sext i16 %a to i32
|
|
ret i32 %1
|
|
}
|
|
|
|
define i32 @t4(i16 zeroext %a) nounwind {
|
|
%1 = zext i16 %a to i32
|
|
ret i32 %1
|
|
}
|
|
|
|
define void @foo(i8 %a, i16 %b) nounwind {
|
|
; ARM: foo
|
|
; THUMB: foo
|
|
;; Materialize i1 1
|
|
; ARM: movw r2, #1
|
|
;; zero-ext
|
|
; ARM: and r2, r2, #1
|
|
; THUMB: and r2, r2, #1
|
|
%1 = call i32 @t0(i1 zeroext 1)
|
|
; ARM: sxtb r2, r1
|
|
; ARM: mov r0, r2
|
|
; THUMB: sxtb r2, r1
|
|
; THUMB: mov r0, r2
|
|
%2 = call i32 @t1(i8 signext %a)
|
|
; ARM: and r2, r1, #255
|
|
; ARM: mov r0, r2
|
|
; THUMB: and r2, r1, #255
|
|
; THUMB: mov r0, r2
|
|
%3 = call i32 @t2(i8 zeroext %a)
|
|
; ARM: sxth r2, r1
|
|
; ARM: mov r0, r2
|
|
; THUMB: sxth r2, r1
|
|
; THUMB: mov r0, r2
|
|
%4 = call i32 @t3(i16 signext %b)
|
|
; ARM: uxth r2, r1
|
|
; ARM: mov r0, r2
|
|
; THUMB: uxth r2, r1
|
|
; THUMB: mov r0, r2
|
|
%5 = call i32 @t4(i16 zeroext %b)
|
|
|
|
;; A few test to check materialization
|
|
;; Note: i1 1 was materialized with t1 call
|
|
; ARM: movw r1, #255
|
|
%6 = call i32 @t2(i8 zeroext 255)
|
|
; ARM: movw r1, #65535
|
|
; THUMB: movw r1, #65535
|
|
%7 = call i32 @t4(i16 zeroext 65535)
|
|
ret void
|
|
}
|
|
|
|
define void @foo2() nounwind {
|
|
%1 = call signext i16 @t5()
|
|
%2 = call zeroext i16 @t6()
|
|
%3 = call signext i8 @t7()
|
|
%4 = call zeroext i8 @t8()
|
|
%5 = call zeroext i1 @t9()
|
|
ret void
|
|
}
|
|
|
|
declare signext i16 @t5();
|
|
declare zeroext i16 @t6();
|
|
declare signext i8 @t7();
|
|
declare zeroext i8 @t8();
|
|
declare zeroext i1 @t9();
|
|
|
|
define i32 @t10() {
|
|
entry:
|
|
; ARM: @t10
|
|
; ARM: movw [[R0:l?r[0-9]*]], #0
|
|
; ARM: movw [[R1:l?r[0-9]*]], #248
|
|
; ARM: movw [[R2:l?r[0-9]*]], #187
|
|
; ARM: movw [[R3:l?r[0-9]*]], #28
|
|
; ARM: movw [[R4:l?r[0-9]*]], #40
|
|
; ARM: movw [[R5:l?r[0-9]*]], #186
|
|
; ARM: and [[R0]], [[R0]], #255
|
|
; ARM: and [[R1]], [[R1]], #255
|
|
; ARM: and [[R2]], [[R2]], #255
|
|
; ARM: and [[R3]], [[R3]], #255
|
|
; ARM: and [[R4]], [[R4]], #255
|
|
; ARM: str [[R4]], [sp]
|
|
; ARM: and [[R4]], [[R5]], #255
|
|
; ARM: str [[R4]], [sp, #4]
|
|
; ARM: bl {{_?}}bar
|
|
; ARM-LONG: @t10
|
|
; ARM-LONG: {{(movw)|(ldr)}} [[R:l?r[0-9]*]], {{(:lower16:L_bar\$non_lazy_ptr)|(.LCPI)}}
|
|
; ARM-LONG: {{(movt [[R]], :upper16:L_bar\$non_lazy_ptr)?}}
|
|
; ARM-LONG: ldr [[R]], {{\[}}[[R]]{{\]}}
|
|
; ARM-LONG: blx [[R]]
|
|
; THUMB: @t10
|
|
; THUMB: movs [[R0:l?r[0-9]*]], #0
|
|
; THUMB: movt [[R0]], #0
|
|
; THUMB: movs [[R1:l?r[0-9]*]], #248
|
|
; THUMB: movt [[R1]], #0
|
|
; THUMB: movs [[R2:l?r[0-9]*]], #187
|
|
; THUMB: movt [[R2]], #0
|
|
; THUMB: movs [[R3:l?r[0-9]*]], #28
|
|
; THUMB: movt [[R3]], #0
|
|
; THUMB: movw [[R4:l?r[0-9]*]], #40
|
|
; THUMB: movt [[R4]], #0
|
|
; THUMB: movw [[R5:l?r[0-9]*]], #186
|
|
; THUMB: movt [[R5]], #0
|
|
; THUMB: and [[R0]], [[R0]], #255
|
|
; THUMB: and [[R1]], [[R1]], #255
|
|
; THUMB: and [[R2]], [[R2]], #255
|
|
; THUMB: and [[R3]], [[R3]], #255
|
|
; THUMB: and [[R4]], [[R4]], #255
|
|
; THUMB: str.w [[R4]], [sp]
|
|
; THUMB: and [[R4]], [[R5]], #255
|
|
; THUMB: str.w [[R4]], [sp, #4]
|
|
; THUMB: bl {{_?}}bar
|
|
; THUMB-LONG: @t10
|
|
; THUMB-LONG: {{(movw)|(ldr.n)}} [[R:l?r[0-9]*]], {{(:lower16:L_bar\$non_lazy_ptr)|(.LCPI)}}
|
|
; THUMB-LONG: {{(movt [[R]], :upper16:L_bar\$non_lazy_ptr)?}}
|
|
; THUMB-LONG: ldr{{(.w)?}} [[R]], {{\[}}[[R]]{{\]}}
|
|
; THUMB-LONG: blx [[R]]
|
|
%call = call i32 @bar(i8 zeroext 0, i8 zeroext -8, i8 zeroext -69, i8 zeroext 28, i8 zeroext 40, i8 zeroext -70)
|
|
ret i32 0
|
|
}
|
|
|
|
declare i32 @bar(i8 zeroext, i8 zeroext, i8 zeroext, i8 zeroext, i8 zeroext, i8 zeroext)
|
|
|
|
define i32 @bar0(i32 %i) nounwind {
|
|
ret i32 0
|
|
}
|
|
|
|
define void @foo3() uwtable {
|
|
; ARM: movw r0, #0
|
|
; ARM: {{(movw r1, :lower16:_?bar0)|(ldr r1, .LCPI)}}
|
|
; ARM: {{(movt r1, :upper16:_?bar0)|(ldr r1, \[r1\])}}
|
|
; ARM: blx r1
|
|
; THUMB: movs r0, #0
|
|
; THUMB: {{(movw r1, :lower16:_?bar0)|(ldr.n r1, .LCPI)}}
|
|
; THUMB: {{(movt r1, :upper16:_?bar0)|(ldr r1, \[r1\])}}
|
|
; THUMB: blx r1
|
|
%fptr = alloca i32 (i32)*, align 8
|
|
store i32 (i32)* @bar0, i32 (i32)** %fptr, align 8
|
|
%1 = load i32 (i32)** %fptr, align 8
|
|
%call = call i32 %1(i32 0)
|
|
ret void
|
|
}
|
|
|
|
define i32 @LibCall(i32 %a, i32 %b) {
|
|
entry:
|
|
; ARM: LibCall
|
|
; ARM: bl {{___udivsi3|__aeabi_uidiv}}
|
|
; ARM-LONG: LibCall
|
|
; ARM-LONG: {{(movw r2, :lower16:L___udivsi3\$non_lazy_ptr)|(ldr r2, .LCPI)}}
|
|
; ARM-LONG: {{(movt r2, :upper16:L___udivsi3\$non_lazy_ptr)?}}
|
|
; ARM-LONG: ldr r2, [r2]
|
|
; ARM-LONG: blx r2
|
|
; THUMB: LibCall
|
|
; THUMB: bl {{___udivsi3|__aeabi_uidiv}}
|
|
; THUMB-LONG: LibCall
|
|
; THUMB-LONG: {{(movw r2, :lower16:L___udivsi3\$non_lazy_ptr)|(ldr.n r2, .LCPI)}}
|
|
; THUMB-LONG: {{(movt r2, :upper16:L___udivsi3\$non_lazy_ptr)?}}
|
|
; THUMB-LONG: ldr r2, [r2]
|
|
; THUMB-LONG: blx r2
|
|
%tmp1 = udiv i32 %a, %b ; <i32> [#uses=1]
|
|
ret i32 %tmp1
|
|
}
|
|
|
|
; Test fastcc
|
|
|
|
define fastcc void @fast_callee(float %i) ssp {
|
|
entry:
|
|
; ARM: fast_callee
|
|
; ARM: vmov r0, s0
|
|
; THUMB: fast_callee
|
|
; THUMB: vmov r0, s0
|
|
; ARM-NOVFP: fast_callee
|
|
; ARM-NOVFP-NOT: s0
|
|
; THUMB-NOVFP: fast_callee
|
|
; THUMB-NOVFP-NOT: s0
|
|
call void @print(float %i)
|
|
ret void
|
|
}
|
|
|
|
define void @fast_caller() ssp {
|
|
entry:
|
|
; ARM: fast_caller
|
|
; ARM: vldr s0,
|
|
; THUMB: fast_caller
|
|
; THUMB: vldr s0,
|
|
; ARM-NOVFP: fast_caller
|
|
; ARM-NOVFP: movw r0, #13107
|
|
; ARM-NOVFP: movt r0, #16611
|
|
; THUMB-NOVFP: fast_caller
|
|
; THUMB-NOVFP: movw r0, #13107
|
|
; THUMB-NOVFP: movt r0, #16611
|
|
call fastcc void @fast_callee(float 0x401C666660000000)
|
|
ret void
|
|
}
|
|
|
|
define void @no_fast_callee(float %i) ssp {
|
|
entry:
|
|
; ARM: no_fast_callee
|
|
; ARM: vmov s0, r0
|
|
; THUMB: no_fast_callee
|
|
; THUMB: vmov s0, r0
|
|
; ARM-NOVFP: no_fast_callee
|
|
; ARM-NOVFP-NOT: s0
|
|
; THUMB-NOVFP: no_fast_callee
|
|
; THUMB-NOVFP-NOT: s0
|
|
call void @print(float %i)
|
|
ret void
|
|
}
|
|
|
|
define void @no_fast_caller() ssp {
|
|
entry:
|
|
; ARM: no_fast_caller
|
|
; ARM: vmov r0, s0
|
|
; THUMB: no_fast_caller
|
|
; THUMB: vmov r0, s0
|
|
; ARM-NOVFP: no_fast_caller
|
|
; ARM-NOVFP: movw r0, #13107
|
|
; ARM-NOVFP: movt r0, #16611
|
|
; THUMB-NOVFP: no_fast_caller
|
|
; THUMB-NOVFP: movw r0, #13107
|
|
; THUMB-NOVFP: movt r0, #16611
|
|
call void @no_fast_callee(float 0x401C666660000000)
|
|
ret void
|
|
}
|
|
|
|
declare void @bar2(i32 %a1, i32 %a2, i32 %a3, i32 %a4, i32 %a5, i32 %a6)
|
|
|
|
define void @call_undef_args() {
|
|
; ARM-LABEL: call_undef_args
|
|
; ARM: movw r0, #1
|
|
; ARM-NEXT: movw r1, #2
|
|
; ARM-NEXT: movw r2, #3
|
|
; ARM-NEXT: movw r3, #4
|
|
; ARM-NOT: str {{r[0-9]+}}, [sp]
|
|
; ARM: movw [[REG:l?r[0-9]*]], #6
|
|
; ARM-NEXT: str [[REG]], [sp, #4]
|
|
call void @bar2(i32 1, i32 2, i32 3, i32 4, i32 undef, i32 6)
|
|
ret void
|
|
}
|
|
|
|
declare void @print(float)
|