mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-12-30 02:32:08 +00:00
9a11d668f9
This reverts commit r206707, reapplying r206704. The preceding commit to CalcSpillWeights should have sorted out the failing buildbots. <rdar://problem/14292693> git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@206766 91177308-0d34-0410-b5e6-96231b3b80d8
362 lines
8.7 KiB
LLVM
362 lines
8.7 KiB
LLVM
; RUN: llc < %s -march=xcore | FileCheck %s
|
|
; RUN: llc < %s -march=xcore -disable-fp-elim | FileCheck %s -check-prefix=CHECKFP
|
|
|
|
declare i8* @llvm.frameaddress(i32) nounwind readnone
|
|
declare i8* @llvm.returnaddress(i32) nounwind
|
|
declare i8* @llvm.eh.dwarf.cfa(i32) nounwind
|
|
declare void @llvm.eh.return.i32(i32, i8*) nounwind
|
|
declare void @llvm.eh.unwind.init() nounwind
|
|
|
|
define i8* @FA0() nounwind {
|
|
entry:
|
|
; CHECK-LABEL: FA0
|
|
; CHECK: ldaw r0, sp[0]
|
|
; CHECK-NEXT: retsp 0
|
|
%0 = call i8* @llvm.frameaddress(i32 0)
|
|
ret i8* %0
|
|
}
|
|
|
|
define i8* @FA1() nounwind {
|
|
entry:
|
|
; CHECK-LABEL: FA1
|
|
; CHECK: entsp 100
|
|
; CHECK-NEXT: ldaw r0, sp[0]
|
|
; CHECK-NEXT: retsp 100
|
|
%0 = alloca [100 x i32]
|
|
%1 = call i8* @llvm.frameaddress(i32 0)
|
|
ret i8* %1
|
|
}
|
|
|
|
define i8* @RA0() nounwind {
|
|
entry:
|
|
; CHECK-LABEL: RA0
|
|
; CHECK: stw lr, sp[0]
|
|
; CHECK-NEXT: ldw r0, sp[0]
|
|
; CHECK-NEXT: ldw lr, sp[0]
|
|
; CHECK-NEXT: retsp 0
|
|
%0 = call i8* @llvm.returnaddress(i32 0)
|
|
ret i8* %0
|
|
}
|
|
|
|
define i8* @RA1() nounwind {
|
|
entry:
|
|
; CHECK-LABEL: RA1
|
|
; CHECK: entsp 100
|
|
; CHECK-NEXT: ldw r0, sp[100]
|
|
; CHECK-NEXT: retsp 100
|
|
%0 = alloca [100 x i32]
|
|
%1 = call i8* @llvm.returnaddress(i32 0)
|
|
ret i8* %1
|
|
}
|
|
|
|
; test FRAME_TO_ARGS_OFFSET lowering
|
|
define i8* @FTAO0() nounwind {
|
|
entry:
|
|
; CHECK-LABEL: FTAO0
|
|
; CHECK: ldc r0, 0
|
|
; CHECK-NEXT: ldaw r1, sp[0]
|
|
; CHECK-NEXT: add r0, r1, r0
|
|
; CHECK-NEXT: retsp 0
|
|
%0 = call i8* @llvm.eh.dwarf.cfa(i32 0)
|
|
ret i8* %0
|
|
}
|
|
|
|
define i8* @FTAO1() nounwind {
|
|
entry:
|
|
; CHECK-LABEL: FTAO1
|
|
; CHECK: entsp 100
|
|
; CHECK-NEXT: ldc r0, 400
|
|
; CHECK-NEXT: ldaw r1, sp[0]
|
|
; CHECK-NEXT: add r0, r1, r0
|
|
; CHECK-NEXT: retsp 100
|
|
%0 = alloca [100 x i32]
|
|
%1 = call i8* @llvm.eh.dwarf.cfa(i32 0)
|
|
ret i8* %1
|
|
}
|
|
|
|
define i8* @EH0(i32 %offset, i8* %handler) {
|
|
entry:
|
|
; CHECK-LABEL: EH0
|
|
; CHECK: entsp 2
|
|
; CHECK: .cfi_def_cfa_offset 8
|
|
; CHECK: .cfi_offset 15, 0
|
|
; CHECK: .cfi_offset 1, -8
|
|
; CHECK: .cfi_offset 0, -4
|
|
; CHECK: ldc r2, 8
|
|
; CHECK-NEXT: ldaw r3, sp[0]
|
|
; CHECK-NEXT: add r2, r3, r2
|
|
; CHECK-NEXT: add r2, r2, r0
|
|
; CHECK-NEXT: mov r3, r1
|
|
; CHECK-NEXT: ldw r1, sp[0]
|
|
; CHECK-NEXT: ldw r0, sp[1]
|
|
; CHECK-NEXT: set sp, r2
|
|
; CHECK-NEXT: bau r3
|
|
call void @llvm.eh.return.i32(i32 %offset, i8* %handler)
|
|
unreachable
|
|
}
|
|
|
|
declare void @foo(...)
|
|
define i8* @EH1(i32 %offset, i8* %handler) {
|
|
entry:
|
|
; CHECK-LABEL: EH1
|
|
; CHECK: entsp 5
|
|
; CHECK: .cfi_def_cfa_offset 20
|
|
; CHECK: .cfi_offset 15, 0
|
|
; CHECK: .cfi_offset 1, -16
|
|
; CHECK: .cfi_offset 0, -12
|
|
; CHECK: stw r4, sp[4]
|
|
; CHECK: .cfi_offset 4, -4
|
|
; CHECK: stw r5, sp[3]
|
|
; CHECK: .cfi_offset 5, -8
|
|
; CHECK: mov r4, r1
|
|
; CHECK-NEXT: mov r5, r0
|
|
; CHECK-NEXT: bl foo
|
|
; CHECK-NEXT: ldc r0, 20
|
|
; CHECK-NEXT: ldaw r1, sp[0]
|
|
; CHECK-NEXT: add r0, r1, r0
|
|
; CHECK-NEXT: add r2, r0, r5
|
|
; CHECK-NEXT: mov r3, r4
|
|
; CHECK-NEXT: ldw r5, sp[3]
|
|
; CHECK-NEXT: ldw r4, sp[4]
|
|
; CHECK-NEXT: ldw r1, sp[1]
|
|
; CHECK-NEXT: ldw r0, sp[2]
|
|
; CHECK-NEXT: set sp, r2
|
|
; CHECK-NEXT: bau r3
|
|
call void (...)* @foo()
|
|
call void @llvm.eh.return.i32(i32 %offset, i8* %handler)
|
|
unreachable
|
|
}
|
|
|
|
@offset = external constant i32
|
|
@handler = external constant i8
|
|
define i8* @EH2(i32 %r0, i32 %r1, i32 %r2, i32 %r3) {
|
|
entry:
|
|
; CHECK-LABEL: EH2
|
|
; CHECK: entsp 3
|
|
; CHECK: bl foo
|
|
; CHECK-NEXT: ldw r0, dp[offset]
|
|
; CHECK-NEXT: ldc r1, 12
|
|
; CHECK-NEXT: ldaw r2, sp[0]
|
|
; CHECK-NEXT: add r1, r2, r1
|
|
; CHECK-NEXT: add r2, r1, r0
|
|
; CHECK-NEXT: ldaw r3, dp[handler]
|
|
; CHECK-NEXT: ldw r1, sp[1]
|
|
; CHECK-NEXT: ldw r0, sp[2]
|
|
; CHECK-NEXT: set sp, r2
|
|
; CHECK-NEXT: bau r3
|
|
call void (...)* @foo()
|
|
%0 = load i32* @offset
|
|
call void @llvm.eh.return.i32(i32 %0, i8* @handler)
|
|
unreachable
|
|
}
|
|
|
|
|
|
; FP: spill FP+SR+R0:1+R4:9 = entsp 2+2+6
|
|
; But we dont actually spill or restore R0:1
|
|
; CHECKFP-LABEL: Unwind0:
|
|
; CHECKFP: entsp 10
|
|
; CHECKFP: stw r10, sp[1]
|
|
; CHECKFP: ldaw r10, sp[0]
|
|
; CHECKFP: stw r4, r10[9]
|
|
; CHECKFP: stw r5, r10[8]
|
|
; CHECKFP: stw r6, r10[7]
|
|
; CHECKFP: stw r7, r10[6]
|
|
; CHECKFP: stw r8, r10[5]
|
|
; CHECKFP: stw r9, r10[4]
|
|
; CHECKFP: ldw r9, r10[4]
|
|
; CHECKFP: ldw r8, r10[5]
|
|
; CHECKFP: ldw r7, r10[6]
|
|
; CHECKFP: ldw r6, r10[7]
|
|
; CHECKFP: ldw r5, r10[8]
|
|
; CHECKFP: ldw r4, r10[9]
|
|
; CHECKFP: set sp, r10
|
|
; CHECKFP: ldw r10, sp[1]
|
|
; CHECKFP: retsp 10
|
|
;
|
|
; !FP: spill R0:1+R4:10 = entsp 2+7
|
|
; But we dont actually spill or restore R0:1
|
|
; CHECK-LABEL: Unwind0:
|
|
; CHECK: entsp 9
|
|
; CHECK: stw r4, sp[8]
|
|
; CHECK: stw r5, sp[7]
|
|
; CHECK: stw r6, sp[6]
|
|
; CHECK: stw r7, sp[5]
|
|
; CHECK: stw r8, sp[4]
|
|
; CHECK: stw r9, sp[3]
|
|
; CHECK: stw r10, sp[2]
|
|
; CHECK: ldw r10, sp[2]
|
|
; CHECK: ldw r9, sp[3]
|
|
; CHECK: ldw r8, sp[4]
|
|
; CHECK: ldw r7, sp[5]
|
|
; CHECK: ldw r6, sp[6]
|
|
; CHECK: ldw r5, sp[7]
|
|
; CHECK: ldw r4, sp[8]
|
|
; CHECK: retsp 9
|
|
define void @Unwind0() {
|
|
call void @llvm.eh.unwind.init()
|
|
ret void
|
|
}
|
|
|
|
|
|
; FP: spill FP+SR+R0:1+R4:9+LR = entsp 2+2+6 + extsp 1
|
|
; But we dont actually spill or restore R0:1
|
|
; CHECKFP-LABEL: Unwind1:
|
|
; CHECKFP: entsp 10
|
|
; CHECKFP: stw r10, sp[1]
|
|
; CHECKFP: ldaw r10, sp[0]
|
|
; CHECKFP: stw r4, r10[9]
|
|
; CHECKFP: stw r5, r10[8]
|
|
; CHECKFP: stw r6, r10[7]
|
|
; CHECKFP: stw r7, r10[6]
|
|
; CHECKFP: stw r8, r10[5]
|
|
; CHECKFP: stw r9, r10[4]
|
|
; CHECKFP: extsp 1
|
|
; CHECKFP: bl foo
|
|
; CHECKFP: ldaw sp, sp[1]
|
|
; CHECKFP: ldw r9, r10[4]
|
|
; CHECKFP: ldw r8, r10[5]
|
|
; CHECKFP: ldw r7, r10[6]
|
|
; CHECKFP: ldw r6, r10[7]
|
|
; CHECKFP: ldw r5, r10[8]
|
|
; CHECKFP: ldw r4, r10[9]
|
|
; CHECKFP: set sp, r10
|
|
; CHECKFP: ldw r10, sp[1]
|
|
; CHECKFP: retsp 10
|
|
;
|
|
; !FP: spill R0:1+R4:10+LR = entsp 2+7+1
|
|
; But we dont actually spill or restore R0:1
|
|
; CHECK-LABEL: Unwind1:
|
|
; CHECK: entsp 10
|
|
; CHECK: stw r4, sp[9]
|
|
; CHECK: stw r5, sp[8]
|
|
; CHECK: stw r6, sp[7]
|
|
; CHECK: stw r7, sp[6]
|
|
; CHECK: stw r8, sp[5]
|
|
; CHECK: stw r9, sp[4]
|
|
; CHECK: stw r10, sp[3]
|
|
; CHECK: bl foo
|
|
; CHECK: ldw r10, sp[3]
|
|
; CHECK: ldw r9, sp[4]
|
|
; CHECK: ldw r8, sp[5]
|
|
; CHECK: ldw r7, sp[6]
|
|
; CHECK: ldw r6, sp[7]
|
|
; CHECK: ldw r5, sp[8]
|
|
; CHECK: ldw r4, sp[9]
|
|
; CHECK: retsp 10
|
|
define void @Unwind1() {
|
|
call void (...)* @foo()
|
|
call void @llvm.eh.unwind.init()
|
|
ret void
|
|
}
|
|
|
|
; FP: spill FP+SR+R0:1+R4:9 = entsp 2+2+6
|
|
; We dont spill R0:1
|
|
; We only restore R0:1 during eh.return
|
|
; CHECKFP-LABEL: UnwindEH:
|
|
; CHECKFP: entsp 10
|
|
; CHECKFP: .cfi_def_cfa_offset 40
|
|
; CHECKFP: .cfi_offset 15, 0
|
|
; CHECKFP: stw r10, sp[1]
|
|
; CHECKFP: .cfi_offset 10, -36
|
|
; CHECKFP: ldaw r10, sp[0]
|
|
; CHECKFP: .cfi_def_cfa_register 10
|
|
; CHECKFP: .cfi_offset 1, -32
|
|
; CHECKFP: .cfi_offset 0, -28
|
|
; CHECKFP: stw r4, r10[9]
|
|
; CHECKFP: .cfi_offset 4, -4
|
|
; CHECKFP: stw r5, r10[8]
|
|
; CHECKFP: .cfi_offset 5, -8
|
|
; CHECKFP: stw r6, r10[7]
|
|
; CHECKFP: .cfi_offset 6, -12
|
|
; CHECKFP: stw r7, r10[6]
|
|
; CHECKFP: .cfi_offset 7, -16
|
|
; CHECKFP: stw r8, r10[5]
|
|
; CHECKFP: .cfi_offset 8, -20
|
|
; CHECKFP: stw r9, r10[4]
|
|
; CHECKFP: .cfi_offset 9, -24
|
|
; CHECKFP: bt r0, .LBB{{[0-9_]+}}
|
|
; CHECKFP: ldw r9, r10[4]
|
|
; CHECKFP-NEXT: ldw r8, r10[5]
|
|
; CHECKFP-NEXT: ldw r7, r10[6]
|
|
; CHECKFP-NEXT: ldw r6, r10[7]
|
|
; CHECKFP-NEXT: ldw r5, r10[8]
|
|
; CHECKFP-NEXT: ldw r4, r10[9]
|
|
; CHECKFP-NEXT: set sp, r10
|
|
; CHECKFP-NEXT: ldw r10, sp[1]
|
|
; CHECKFP-NEXT: retsp 10
|
|
; CHECKFP: .LBB{{[0-9_]+}}
|
|
; CHECKFP-NEXT: ldc r2, 40
|
|
; CHECKFP-NEXT: add r2, r10, r2
|
|
; CHECKFP-NEXT: add r2, r2, r0
|
|
; CHECKFP-NEXT: mov r3, r1
|
|
; CHECKFP-NEXT: ldw r9, r10[4]
|
|
; CHECKFP-NEXT: ldw r8, r10[5]
|
|
; CHECKFP-NEXT: ldw r7, r10[6]
|
|
; CHECKFP-NEXT: ldw r6, r10[7]
|
|
; CHECKFP-NEXT: ldw r5, r10[8]
|
|
; CHECKFP-NEXT: ldw r4, r10[9]
|
|
; CHECKFP-NEXT: ldw r1, sp[2]
|
|
; CHECKFP-NEXT: ldw r0, sp[3]
|
|
; CHECKFP-NEXT: set sp, r2
|
|
; CHECKFP-NEXT: bau r3
|
|
;
|
|
; !FP: spill R0:1+R4:10 = entsp 2+7
|
|
; We dont spill R0:1
|
|
; We only restore R0:1 during eh.return
|
|
; CHECK-LABEL: UnwindEH:
|
|
; CHECK: entsp 9
|
|
; CHECK: .cfi_def_cfa_offset 36
|
|
; CHECK: .cfi_offset 15, 0
|
|
; CHECK: .cfi_offset 1, -36
|
|
; CHECK: .cfi_offset 0, -32
|
|
; CHECK: stw r4, sp[8]
|
|
; CHECK: .cfi_offset 4, -4
|
|
; CHECK: stw r5, sp[7]
|
|
; CHECK: .cfi_offset 5, -8
|
|
; CHECK: stw r6, sp[6]
|
|
; CHECK: .cfi_offset 6, -12
|
|
; CHECK: stw r7, sp[5]
|
|
; CHECK: .cfi_offset 7, -16
|
|
; CHECK: stw r8, sp[4]
|
|
; CHECK: .cfi_offset 8, -20
|
|
; CHECK: stw r9, sp[3]
|
|
; CHECK: .cfi_offset 9, -24
|
|
; CHECK: stw r10, sp[2]
|
|
; CHECK: .cfi_offset 10, -28
|
|
; CHECK: bt r0, .LBB{{[0-9_]+}}
|
|
; CHECK: ldw r10, sp[2]
|
|
; CHECK-NEXT: ldw r9, sp[3]
|
|
; CHECK-NEXT: ldw r8, sp[4]
|
|
; CHECK-NEXT: ldw r7, sp[5]
|
|
; CHECK-NEXT: ldw r6, sp[6]
|
|
; CHECK-NEXT: ldw r5, sp[7]
|
|
; CHECK-NEXT: ldw r4, sp[8]
|
|
; CHECK-NEXT: retsp 9
|
|
; CHECK: .LBB{{[0-9_]+}}
|
|
; CHECK-NEXT: ldc r2, 36
|
|
; CHECK-NEXT: ldaw r3, sp[0]
|
|
; CHECK-NEXT: add r2, r3, r2
|
|
; CHECK-NEXT: add r2, r2, r0
|
|
; CHECK-NEXT: mov r3, r1
|
|
; CHECK-NEXT: ldw r10, sp[2]
|
|
; CHECK-NEXT: ldw r9, sp[3]
|
|
; CHECK-NEXT: ldw r8, sp[4]
|
|
; CHECK-NEXT: ldw r7, sp[5]
|
|
; CHECK-NEXT: ldw r6, sp[6]
|
|
; CHECK-NEXT: ldw r5, sp[7]
|
|
; CHECK-NEXT: ldw r4, sp[8]
|
|
; CHECK-NEXT: ldw r1, sp[0]
|
|
; CHECK-NEXT: ldw r0, sp[1]
|
|
; CHECK-NEXT: set sp, r2
|
|
; CHECK-NEXT: bau r3
|
|
define void @UnwindEH(i32 %offset, i8* %handler) {
|
|
call void @llvm.eh.unwind.init()
|
|
%cmp = icmp eq i32 %offset, 0
|
|
br i1 %cmp, label %normal, label %eh
|
|
eh:
|
|
call void @llvm.eh.return.i32(i32 %offset, i8* %handler)
|
|
unreachable
|
|
normal:
|
|
ret void
|
|
}
|