mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-07-20 10:30:03 +00:00
7c9c6ed761
Essentially the same as the GEP change in r230786.
A similar migration script can be used to update test cases, though a few more
test case improvements/changes were required this time around: (r229269-r229278)
import fileinput
import sys
import re
pat = re.compile(r"((?:=|:|^)\s*load (?:atomic )?(?:volatile )?(.*?))(| addrspace\(\d+\) *)\*($| *(?:%|@|null|undef|blockaddress|getelementptr|addrspacecast|bitcast|inttoptr|\[\[[a-zA-Z]|\{\{).*$)")
for line in sys.stdin:
sys.stdout.write(re.sub(pat, r"\1, \2\3*\4", line))
Reviewers: rafael, dexonsmith, grosser
Differential Revision: http://reviews.llvm.org/D7649
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230794 91177308-0d34-0410-b5e6-96231b3b80d8
135 lines
2.8 KiB
LLVM
135 lines
2.8 KiB
LLVM
; RUN: llc < %s -mtriple=x86_64-apple-darwin -mcpu=generic | FileCheck %s
|
|
|
|
; Check that we recognize this idiom for rotation too:
|
|
; a << (b & (OpSize-1)) | a >> ((0 - b) & (OpSize-1))
|
|
|
|
define i32 @rotate_left_32(i32 %a, i32 %b) {
|
|
; CHECK-LABEL: rotate_left_32:
|
|
; CHECK-NOT: and
|
|
; CHECK: roll
|
|
entry:
|
|
%and = and i32 %b, 31
|
|
%shl = shl i32 %a, %and
|
|
%0 = sub i32 0, %b
|
|
%and3 = and i32 %0, 31
|
|
%shr = lshr i32 %a, %and3
|
|
%or = or i32 %shl, %shr
|
|
ret i32 %or
|
|
}
|
|
|
|
define i32 @rotate_right_32(i32 %a, i32 %b) {
|
|
; CHECK-LABEL: rotate_right_32:
|
|
; CHECK-NOT: and
|
|
; CHECK: rorl
|
|
entry:
|
|
%and = and i32 %b, 31
|
|
%shl = lshr i32 %a, %and
|
|
%0 = sub i32 0, %b
|
|
%and3 = and i32 %0, 31
|
|
%shr = shl i32 %a, %and3
|
|
%or = or i32 %shl, %shr
|
|
ret i32 %or
|
|
}
|
|
|
|
define i64 @rotate_left_64(i64 %a, i64 %b) {
|
|
; CHECK-LABEL: rotate_left_64:
|
|
; CHECK-NOT: and
|
|
; CHECK: rolq
|
|
entry:
|
|
%and = and i64 %b, 63
|
|
%shl = shl i64 %a, %and
|
|
%0 = sub i64 0, %b
|
|
%and3 = and i64 %0, 63
|
|
%shr = lshr i64 %a, %and3
|
|
%or = or i64 %shl, %shr
|
|
ret i64 %or
|
|
}
|
|
|
|
define i64 @rotate_right_64(i64 %a, i64 %b) {
|
|
; CHECK-LABEL: rotate_right_64:
|
|
; CHECK-NOT: and
|
|
; CHECK: rorq
|
|
entry:
|
|
%and = and i64 %b, 63
|
|
%shl = lshr i64 %a, %and
|
|
%0 = sub i64 0, %b
|
|
%and3 = and i64 %0, 63
|
|
%shr = shl i64 %a, %and3
|
|
%or = or i64 %shl, %shr
|
|
ret i64 %or
|
|
}
|
|
|
|
; Also check mem operand.
|
|
|
|
define void @rotate_left_m32(i32 *%pa, i32 %b) {
|
|
; CHECK-LABEL: rotate_left_m32:
|
|
; CHECK-NOT: and
|
|
; CHECK: roll
|
|
; no store:
|
|
; CHECK-NOT: mov
|
|
entry:
|
|
%a = load i32, i32* %pa, align 16
|
|
%and = and i32 %b, 31
|
|
%shl = shl i32 %a, %and
|
|
%0 = sub i32 0, %b
|
|
%and3 = and i32 %0, 31
|
|
%shr = lshr i32 %a, %and3
|
|
%or = or i32 %shl, %shr
|
|
store i32 %or, i32* %pa, align 32
|
|
ret void
|
|
}
|
|
|
|
define void @rotate_right_m32(i32 *%pa, i32 %b) {
|
|
; CHECK-LABEL: rotate_right_m32:
|
|
; CHECK-NOT: and
|
|
; CHECK: rorl
|
|
; no store:
|
|
; CHECK-NOT: mov
|
|
entry:
|
|
%a = load i32, i32* %pa, align 16
|
|
%and = and i32 %b, 31
|
|
%shl = lshr i32 %a, %and
|
|
%0 = sub i32 0, %b
|
|
%and3 = and i32 %0, 31
|
|
%shr = shl i32 %a, %and3
|
|
%or = or i32 %shl, %shr
|
|
store i32 %or, i32* %pa, align 32
|
|
ret void
|
|
}
|
|
|
|
define void @rotate_left_m64(i64 *%pa, i64 %b) {
|
|
; CHECK-LABEL: rotate_left_m64:
|
|
; CHECK-NOT: and
|
|
; CHECK: rolq
|
|
; no store:
|
|
; CHECK-NOT: mov
|
|
entry:
|
|
%a = load i64, i64* %pa, align 16
|
|
%and = and i64 %b, 63
|
|
%shl = shl i64 %a, %and
|
|
%0 = sub i64 0, %b
|
|
%and3 = and i64 %0, 63
|
|
%shr = lshr i64 %a, %and3
|
|
%or = or i64 %shl, %shr
|
|
store i64 %or, i64* %pa, align 64
|
|
ret void
|
|
}
|
|
|
|
define void @rotate_right_m64(i64 *%pa, i64 %b) {
|
|
; CHECK-LABEL: rotate_right_m64:
|
|
; CHECK-NOT: and
|
|
; CHECK: rorq
|
|
; no store:
|
|
; CHECK-NOT: mov
|
|
entry:
|
|
%a = load i64, i64* %pa, align 16
|
|
%and = and i64 %b, 63
|
|
%shl = lshr i64 %a, %and
|
|
%0 = sub i64 0, %b
|
|
%and3 = and i64 %0, 63
|
|
%shr = shl i64 %a, %and3
|
|
%or = or i64 %shl, %shr
|
|
store i64 %or, i64* %pa, align 64
|
|
ret void
|
|
}
|