mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-12-21 16:31:16 +00:00
a3071455e5
range without a libcall to a new mulo<mode> libcall that we'd have to create. Finishes the rest of rdar://9090077 and rdar://9210061 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133318 91177308-0d34-0410-b5e6-96231b3b80d8
82 lines
2.6 KiB
LLVM
82 lines
2.6 KiB
LLVM
; RUN: llc < %s -mtriple=x86_64-apple-darwin | FileCheck %s
|
|
%0 = type { i64, i64 }
|
|
%1 = type { i128, i1 }
|
|
|
|
define %0 @x(i64 %a.coerce0, i64 %a.coerce1, i64 %b.coerce0, i64 %b.coerce1) nounwind uwtable ssp {
|
|
; CHECK: x
|
|
entry:
|
|
%tmp16 = zext i64 %a.coerce0 to i128
|
|
%tmp11 = zext i64 %a.coerce1 to i128
|
|
%tmp12 = shl nuw i128 %tmp11, 64
|
|
%ins14 = or i128 %tmp12, %tmp16
|
|
%tmp6 = zext i64 %b.coerce0 to i128
|
|
%tmp3 = zext i64 %b.coerce1 to i128
|
|
%tmp4 = shl nuw i128 %tmp3, 64
|
|
%ins = or i128 %tmp4, %tmp6
|
|
%0 = tail call %1 @llvm.smul.with.overflow.i128(i128 %ins14, i128 %ins)
|
|
; CHECK: callq ___muloti4
|
|
%1 = extractvalue %1 %0, 0
|
|
%2 = extractvalue %1 %0, 1
|
|
br i1 %2, label %overflow, label %nooverflow
|
|
|
|
overflow: ; preds = %entry
|
|
tail call void @llvm.trap()
|
|
unreachable
|
|
|
|
nooverflow: ; preds = %entry
|
|
%tmp20 = trunc i128 %1 to i64
|
|
%tmp21 = insertvalue %0 undef, i64 %tmp20, 0
|
|
%tmp22 = lshr i128 %1, 64
|
|
%tmp23 = trunc i128 %tmp22 to i64
|
|
%tmp24 = insertvalue %0 %tmp21, i64 %tmp23, 1
|
|
ret %0 %tmp24
|
|
}
|
|
|
|
define %0 @foo(i64 %a.coerce0, i64 %a.coerce1, i64 %b.coerce0, i64 %b.coerce1) nounwind uwtable ssp {
|
|
entry:
|
|
; CHECK: foo
|
|
%retval = alloca i128, align 16
|
|
%coerce = alloca i128, align 16
|
|
%a.addr = alloca i128, align 16
|
|
%coerce1 = alloca i128, align 16
|
|
%b.addr = alloca i128, align 16
|
|
%0 = bitcast i128* %coerce to %0*
|
|
%1 = getelementptr %0* %0, i32 0, i32 0
|
|
store i64 %a.coerce0, i64* %1
|
|
%2 = getelementptr %0* %0, i32 0, i32 1
|
|
store i64 %a.coerce1, i64* %2
|
|
%a = load i128* %coerce, align 16
|
|
store i128 %a, i128* %a.addr, align 16
|
|
%3 = bitcast i128* %coerce1 to %0*
|
|
%4 = getelementptr %0* %3, i32 0, i32 0
|
|
store i64 %b.coerce0, i64* %4
|
|
%5 = getelementptr %0* %3, i32 0, i32 1
|
|
store i64 %b.coerce1, i64* %5
|
|
%b = load i128* %coerce1, align 16
|
|
store i128 %b, i128* %b.addr, align 16
|
|
%tmp = load i128* %a.addr, align 16
|
|
%tmp2 = load i128* %b.addr, align 16
|
|
%6 = call %1 @llvm.umul.with.overflow.i128(i128 %tmp, i128 %tmp2)
|
|
; CHECK: cmov
|
|
; CHECK: divti3
|
|
%7 = extractvalue %1 %6, 0
|
|
%8 = extractvalue %1 %6, 1
|
|
br i1 %8, label %overflow, label %nooverflow
|
|
|
|
overflow: ; preds = %entry
|
|
call void @llvm.trap()
|
|
unreachable
|
|
|
|
nooverflow: ; preds = %entry
|
|
store i128 %7, i128* %retval
|
|
%9 = bitcast i128* %retval to %0*
|
|
%10 = load %0* %9, align 1
|
|
ret %0 %10
|
|
}
|
|
|
|
declare %1 @llvm.umul.with.overflow.i128(i128, i128) nounwind readnone
|
|
|
|
declare %1 @llvm.smul.with.overflow.i128(i128, i128) nounwind readnone
|
|
|
|
declare void @llvm.trap() nounwind
|