mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-07-23 01:30:19 +00:00
8eb1aaac9c
- Implement copying ASR to/from GPR regs. - Mark ASRs as non-allocatable, so it won't try to arbitrarily use them inappropriately. - Instead of inserting explicit WRASR/RDASR nodes in the MUL/DIV routines, just do normal register copies. - Also...mark div as using Y, not just writing it. Added a test case with some code which previously died with an assertion failure (with -O0), or produced wrong code (otherwise). (Third time's the charm?) Differential Revision: http://reviews.llvm.org/D10401 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@241686 91177308-0d34-0410-b5e6-96231b3b80d8
87 lines
1.8 KiB
LLVM
87 lines
1.8 KiB
LLVM
; RUN: llc < %s -march=sparc | FileCheck %s
|
|
|
|
define i32 @test0(i32 %X) {
|
|
%tmp.1 = add i32 %X, 1
|
|
ret i32 %tmp.1
|
|
; CHECK-LABEL: test0:
|
|
; CHECK: add %o0, 1, %o0
|
|
}
|
|
|
|
|
|
;; xnor tests.
|
|
define i32 @test1(i32 %X, i32 %Y) {
|
|
%A = xor i32 %X, %Y
|
|
%B = xor i32 %A, -1
|
|
ret i32 %B
|
|
; CHECK-LABEL: test1:
|
|
; CHECK: xnor %o0, %o1, %o0
|
|
}
|
|
|
|
define i32 @test2(i32 %X, i32 %Y) {
|
|
%A = xor i32 %X, -1
|
|
%B = xor i32 %A, %Y
|
|
ret i32 %B
|
|
; CHECK-LABEL: test2:
|
|
; CHECK: xnor %o0, %o1, %o0
|
|
}
|
|
|
|
; CHECK-LABEL: store_zero:
|
|
; CHECK: st %g0, [%o0]
|
|
; CHECK: st %g0, [%o1+4]
|
|
define i32 @store_zero(i32* %a, i32* %b) {
|
|
entry:
|
|
store i32 0, i32* %a, align 4
|
|
%0 = getelementptr inbounds i32, i32* %b, i32 1
|
|
store i32 0, i32* %0, align 4
|
|
ret i32 0
|
|
}
|
|
|
|
; CHECK-LABEL: signed_divide:
|
|
; CHECK: sra %o0, 31, %o2
|
|
; CHECK: wr %g0, %o2, %y
|
|
; CHECK: sdiv %o0, %o1, %o0
|
|
define i32 @signed_divide(i32 %a, i32 %b) {
|
|
%r = sdiv i32 %a, %b
|
|
ret i32 %r
|
|
}
|
|
|
|
; CHECK-LABEL: unsigned_divide:
|
|
; CHECK: wr %g0, %g0, %y
|
|
; CHECK: udiv %o0, %o1, %o0
|
|
define i32 @unsigned_divide(i32 %a, i32 %b) {
|
|
%r = udiv i32 %a, %b
|
|
ret i32 %r
|
|
}
|
|
|
|
; CHECK-LABEL: multiply_32x32:
|
|
; CHECK: smul %o0, %o1, %o0
|
|
define i32 @multiply_32x32(i32 %a, i32 %b) {
|
|
%r = mul i32 %a, %b
|
|
ret i32 %r
|
|
}
|
|
|
|
; CHECK-LABEL: signed_multiply_32x32_64:
|
|
; CHECK: smul %o0, %o1, %o1
|
|
; CHECK: rd %y, %o0
|
|
define i64 @signed_multiply_32x32_64(i32 %a, i32 %b) {
|
|
%xa = sext i32 %a to i64
|
|
%xb = sext i32 %b to i64
|
|
%r = mul i64 %xa, %xb
|
|
ret i64 %r
|
|
}
|
|
|
|
; CHECK-LABEL: unsigned_multiply_32x32_64:
|
|
; CHECK: umul %o0, %o1, %o2
|
|
; CHECK: rd %y, %o2
|
|
;FIXME: the smul in the output is totally redundant and should not there.
|
|
; CHECK: smul %o0, %o1, %o1
|
|
; CHECK: retl
|
|
; CHECK: mov %o2, %o0
|
|
define i64 @unsigned_multiply_32x32_64(i32 %a, i32 %b) {
|
|
%xa = zext i32 %a to i64
|
|
%xb = zext i32 %b to i64
|
|
%r = mul i64 %xa, %xb
|
|
ret i64 %r
|
|
}
|
|
|