mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-12-27 13:30:05 +00:00
4af58f145d
Update the SXT[BHW]/UXTW instruction aliases and the shifted reg addressing mode handling. PR19455 and rdar://16650642 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@206495 91177308-0d34-0410-b5e6-96231b3b80d8
76 lines
2.4 KiB
LLVM
76 lines
2.4 KiB
LLVM
; RUN: llc < %s -mtriple=arm64-apple-ios7.0 | FileCheck %s
|
|
|
|
define void @bar(<8 x i16> %arg, <8 x i8>* %p) nounwind {
|
|
; CHECK-LABEL: bar:
|
|
; CHECK: xtn.8b v[[REG:[0-9]+]], v0
|
|
; CHECK-NEXT: str d[[REG]], [x0]
|
|
; CHECK-NEXT: ret
|
|
%tmp = trunc <8 x i16> %arg to <8 x i8>
|
|
store <8 x i8> %tmp, <8 x i8>* %p, align 8
|
|
ret void
|
|
}
|
|
|
|
@zptr8 = common global i8* null, align 8
|
|
@zptr16 = common global i16* null, align 8
|
|
@zptr32 = common global i32* null, align 8
|
|
|
|
define void @fct32(i32 %arg, i64 %var) {
|
|
; CHECK: fct32
|
|
; CHECK: adrp [[GLOBALPAGE:x[0-9]+]], _zptr32@GOTPAGE
|
|
; CHECK: ldr [[GLOBALOFF:x[0-9]+]], {{\[}}[[GLOBALPAGE]], _zptr32@GOTPAGEOFF]
|
|
; CHECK: ldr [[GLOBALADDR:x[0-9]+]], {{\[}}[[GLOBALOFF]]]
|
|
; w0 is %arg
|
|
; CHECK-NEXT: sub w[[OFFSETREGNUM:[0-9]+]], w0, #1
|
|
; w1 is %var truncated
|
|
; CHECK-NEXT: str w1, {{\[}}[[GLOBALADDR]], w[[OFFSETREGNUM]], sxtw #2]
|
|
; CHECK-NEXT: ret
|
|
bb:
|
|
%.pre37 = load i32** @zptr32, align 8
|
|
%dec = add nsw i32 %arg, -1
|
|
%idxprom8 = sext i32 %dec to i64
|
|
%arrayidx9 = getelementptr inbounds i32* %.pre37, i64 %idxprom8
|
|
%tmp = trunc i64 %var to i32
|
|
store i32 %tmp, i32* %arrayidx9, align 4
|
|
ret void
|
|
}
|
|
|
|
define void @fct16(i32 %arg, i64 %var) {
|
|
; CHECK: fct16
|
|
; CHECK: adrp [[GLOBALPAGE:x[0-9]+]], _zptr16@GOTPAGE
|
|
; CHECK: ldr [[GLOBALOFF:x[0-9]+]], {{\[}}[[GLOBALPAGE]], _zptr16@GOTPAGEOFF]
|
|
; CHECK: ldr [[GLOBALADDR:x[0-9]+]], {{\[}}[[GLOBALOFF]]]
|
|
; w0 is %arg
|
|
; CHECK-NEXT: sub w[[OFFSETREGNUM:[0-9]+]], w0, #1
|
|
; w1 is %var truncated
|
|
; CHECK-NEXT: strh w1, {{\[}}[[GLOBALADDR]], w[[OFFSETREGNUM]], sxtw #1]
|
|
; CHECK-NEXT: ret
|
|
bb:
|
|
%.pre37 = load i16** @zptr16, align 8
|
|
%dec = add nsw i32 %arg, -1
|
|
%idxprom8 = sext i32 %dec to i64
|
|
%arrayidx9 = getelementptr inbounds i16* %.pre37, i64 %idxprom8
|
|
%tmp = trunc i64 %var to i16
|
|
store i16 %tmp, i16* %arrayidx9, align 4
|
|
ret void
|
|
}
|
|
|
|
define void @fct8(i32 %arg, i64 %var) {
|
|
; CHECK: fct8
|
|
; CHECK: adrp [[GLOBALPAGE:x[0-9]+]], _zptr8@GOTPAGE
|
|
; CHECK: ldr [[GLOBALOFF:x[0-9]+]], {{\[}}[[GLOBALPAGE]], _zptr8@GOTPAGEOFF]
|
|
; CHECK: ldr [[BASEADDR:x[0-9]+]], {{\[}}[[GLOBALOFF]]]
|
|
; w0 is %arg
|
|
; CHECK-NEXT: add [[ADDR:x[0-9]+]], [[BASEADDR]], w0, sxtw
|
|
; w1 is %var truncated
|
|
; CHECK-NEXT: sturb w1, {{\[}}[[ADDR]], #-1]
|
|
; CHECK-NEXT: ret
|
|
bb:
|
|
%.pre37 = load i8** @zptr8, align 8
|
|
%dec = add nsw i32 %arg, -1
|
|
%idxprom8 = sext i32 %dec to i64
|
|
%arrayidx9 = getelementptr inbounds i8* %.pre37, i64 %idxprom8
|
|
%tmp = trunc i64 %var to i8
|
|
store i8 %tmp, i8* %arrayidx9, align 4
|
|
ret void
|
|
}
|